2009 Juan Martín del Potro tennis season
# 2009 Juan Martín del Potro tennis season

The 2009 Juan Martín del Potro tennis season officially began at the Auckland Open, where he had won his first title at Auckland.

## All matches

Key :

| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |

### Singles matches

| Tournament | Match | Round | Opponent (seed or key) | Rank | Result | Score |
| - | - | - | - | - | - | - |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 | 1 / 127 | 2R | Ernests Gulbis | 51 | Win | 4–6, 6–4, 6–1 |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 | 2 / 128 | QF | Viktor Troicki | 53 | Win | 6–3, 6–2 |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 | 3 / 129 | SF | Robin Söderling (3) | 17 | Win | 6–4, 6–3 |
| Auckland Open Auckland, New Zealand ATP Tour 250 Hard, outdoor 12 – 17 January 2009 | 4 / 130 | W | Sam Querrey (6) | 36 | Win (1) | 6–4, 6–4 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 | 5 / 131 | 1R | Mischa Zverev | 81 | Win | 6–3, 6–4, 6–2 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 | 6 / 132 | 2R | Florian Mayer (Q) | 450 | Win | 6–1, 7–5, 6–2 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 | 7 / 133 | 3R | Gilles Müller | 87 | Win | $6–7^{(5–7)},$ 7–5, 6–3, 7–5 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 | 8 / 134 | 4R | Marin Čilić (19) | 20 | Win | 5–7, 6–4, 6–4, 6–3 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2009 | 9 / 135 | QF | Roger Federer (2) | 2 | Loss | 3–6, 0–6, 0–6 |
| Pacific Coast Championships San Jose, United States ATP Tour 250 Hard, outdoor 9 – 15 February 2009 |
| Pacific Coast Championships San Jose, United States ATP Tour 250 Hard, outdoor 9 – 15 February 2009 | 10 / 136 | 1R | Andrea Stoppini (Q) | 209 | Win | $7–6^{(7–5)},$ $7–6^{(7–5)}$ |
| Pacific Coast Championships San Jose, United States ATP Tour 250 Hard, outdoor 9 – 15 February 2009 | 11 / 137 | 2R | Kei Nishikori | 56 | Win | 6–2, 6–2 |
| Pacific Coast Championships San Jose, United States ATP Tour 250 Hard, outdoor 9 – 15 February 2009 | 12 / 138 | QF | Mardy Fish (5) | 24 | Loss | 3–6, 4–6 |
| Memphis Open Memphis, United States ATP Tour 500 Hard, outdoor 15 – 22 February 2009 |
| Memphis Open Memphis, United States ATP Tour 500 Hard, outdoor 15 – 22 February 2009 | 13 / 139 | 1R | Guillermo Cañas | 69 | Win | 6–3, $7–6^{(7–5)}$ |
| Memphis Open Memphis, United States ATP Tour 500 Hard, outdoor 15 – 22 February 2009 | 14 / 140 | 2R | Ernests Gulbis | 42 | Win | 6–3, 6–4 |
| Memphis Open Memphis, United States ATP Tour 500 Hard, outdoor 15 – 22 February 2009 | 15 / 141 | QF | Radek Štěpánek (5) | 19 | Loss | $6–7^{(7–9)},$ 4–6 |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 | 16 / 142 | 2R | Ryan Sweeting (WC) | 170 | Win | $6–7^{(6–8)},$ 6–3, 6–1 |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 | 17 / 143 | 3R | Jürgen Melzer (30) | 31 | Win | 6–2, 2–6, $7–6^{(7–2)}$ |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 | 18 / 144 | 4R | John Isner (WC) | 147 | Win | $7–6^{(7–4)},$ $7–6^{(7–3)}$ |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 9 – 22 March 2009 | 19 / 145 | QF | Rafael Nadal (1) | 1 | Loss | 2–6, 4–6 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | 20 / 146 | 2R | Martín Vassallo Argüello | 52 | Win | 6–2, 6–2 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | 21 / 147 | 3R | Janko Tipsarević | 46 | Win | 6–4, 6–1 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | 22 / 148 | 4R | David Ferrer (11) | 12 | Win | 6–3, 6–2 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | 23 / 149 | QF | Rafael Nadal (1) | 1 | Win | 6–4, 3–6, $7–6^{(7–3)}$ |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 23 March – 5 April 2009 | 24 / 150 | SF | Andy Murray (4) | 4 | Loss | 1–6, 7–5, 2–6 |
| Monte-Carlo Masters Monte Carlo, Monaco ATP Tour Masters 1000 Clay, outdoor 13 – 19 April 2009 |
| Monte-Carlo Masters Monte Carlo, Monaco ATP Tour Masters 1000 Clay, outdoor 13 – 19 April 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Monte-Carlo Masters Monte Carlo, Monaco ATP Tour Masters 1000 Clay, outdoor 13 – 19 April 2009 | 25 / 151 | 2R | Ivan Ljubičić (WC) | 66 | Loss | 6–4, 1–6, 4–6 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 27 April – 3 May 2009 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 27 April – 3 May 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 27 April – 3 May 2009 | 26 / 152 | 2R | Viktor Troicki | 40 | Win | 6–3, 1–6, 6–3 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 27 April – 3 May 2009 | 27 / 153 | 3R | Stan Wawrinka (10) | 12 | Win | 6–2, $6–7^{(5–7)},$ 6–3 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 27 April – 3 May 2009 | 28 / 154 | QF | Novak Djokovic (3) | 3 | Loss | 3–6, 4–6 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 | 29 / 155 | 2R | Tomáš Berdych | 22 | Win | 6–2, 4–1 Ret. |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 | 30 / 156 | 3R | Stan Wawrinka (11) | 18 | Win | 4–6, 6–4, 6–4 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 | 31 / 157 | QF | Andy Murray (4) | 3 | Win | $7–6^{(7–4)},$ 6–3 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 11 – 17 May 2009 | 32 / 158 | SF | Roger Federer (2) | 2 | Loss | 3–6, 4–6 |
| World Team Cup Düsseldorf, Germany ATP Tour 250 Clay, outdoor 17 – 23 May 2009 |
| World Team Cup Düsseldorf, Germany ATP Tour 250 Clay, outdoor 17 – 23 May 2009 | 33 / 159 | RR | Andreas Seppi | 54 | Win | 6–3, 6–4 |
| World Team Cup Düsseldorf, Germany ATP Tour 250 Clay, outdoor 17 – 23 May 2009 | 34 / 160 | RR | Igor Andreev | 27 | Win | 6–3, $7–6^{(7–3)}$ |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 35 / 161 | 1R | Michaël Llodra | 78 | Win | 6–3, 6–3, 6–1 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 36 / 162 | 2R | Viktor Troicki | 32 | Win | 6–3, 7–5, 6–0 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 37 / 163 | 3R | Igor Andreev (25) | 27 | Win | 6–4, 7–5, 6–4 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 38 / 164 | 4R | Jo-Wilfried Tsonga (9) | 9 | Win | 6–1, $6–7^{(5–7)},$ 6–1, 6–4 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 39 / 165 | QF | Tommy Robredo (16) | 17 | Win | 6–3, 6–4, 6–2 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 25 May – 7 June 2009 | 40 / 166 | SF | Roger Federer (2) | 2 | Loss | 6–3, $6–7^{(2–7)},$ 6–2, 1–6, 4–6 |
| Wimbledon London, United Kingdom Grand Slam tournament Grass, outdoor 22 June – 5 July 2009 |
| Wimbledon London, United Kingdom Grand Slam tournament Grass, outdoor 22 June – 5 July 2009 | 41 / 167 | 1R | Arnaud Clément | 53 | Win | 6–3, 6–1, 6–2 |
| Wimbledon London, United Kingdom Grand Slam tournament Grass, outdoor 22 June – 5 July 2009 | 42 / 168 | 2R | Lleyton Hewitt | 56 | Loss | 3–6, 5–7, 5–7 |
| Davis Cup, World Group Quarter Finals Ostrava, Czech Republic Davis Cup Clay, outdoor 6 – 8 March 2009 |
| Davis Cup, World Group Quarter Finals Ostrava, Czech Republic Davis Cup Clay, outdoor 6 – 8 March 2009 | 43 / 169 | QF R2 | Ivo Minář | 64 | Win | 6–1, 6–3, 6–3 |
| Davis Cup, World Group Quarter Finals Ostrava, Czech Republic Davis Cup Clay, outdoor 6 – 8 March 2009 | 44 / 170 | QF R4 | Tomáš Berdych | 20 | Win | 6–4, 6–4, 6–4 |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | 45 / 171 | 2R | Sergiy Stakhovsky | 62 | Win | 4–6, 6–3, 6–2 |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | 46 / 172 | 3R | Lleyton Hewitt (Q) | 42 | Win | 4–6, 6–3, $7–6^{(7–2)}$ |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | - | QF | Robin Söderling (5) | 12 | Win | W/O |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | 47 / 173 | SF | Fernando González (4) | 11 | Win | $7–6^{(7–2)},$ 6–3 |
| Washington Open Washington, D.C., United States ATP Tour 500 Hard, outdoor 1 – 9 August 2009 | 48 / 174 | W | Andy Roddick (1) | 5 | Win (2) | 3–6, 7–5, $7–6^{(8–6)}$ |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | 49 / 175 | 2R | Jan Hernych (Q) | 86 | Win | 6–2, 7–5 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | 50 / 176 | 3R | Victor Hănescu | 32 | Win | 3–6, 6–3, 6–4 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | 51 / 177 | QF | Rafael Nadal (2) | 2 | Win | $7–6^{(7–5)},$ 6–1 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | 52 / 178 | SF | Andy Roddick (5) | 5 | Win | 4–6, 6–2, 7–5 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10 – 16 August 2009 | 53 / 179 | F | Andy Murray (3) | 3 | Loss (1) | $7–6^{(7–4)},$ $6–7^{(3–7)},$ 1–6 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 54 / 180 | 1R | Juan Mónaco | 41 | Win | 6–3, 6–3, 6–1 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 55 / 181 | 2R | Jürgen Melzer | 38 | Win | $7–6^{(8–6)},$ 6–3, 6–3 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 56 / 182 | 3R | Daniel Köllerer | 62 | Win | 6–1, 3–6, 6–3, 6–3 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 57 / 183 | 4R | Juan Carlos Ferrero (24) | 25 | Win | 6–3, 6–3, 6–3 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 58 / 184 | QF | Marin Čilić (16) | 17 | Win | 4–6, 6–3, 6–2, 6–1 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 59 / 185 | SF | Rafael Nadal (3) | 3 | Win | 6–2, 6–2, 6–2 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2009 | 60 / 186 | W | Roger Federer (1) | 1 | Win (3) | 3–6, $7–6^{(7–5)},$ 4–6, $7–6^{(7–4)},$ 6–2 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5 – 11 October 2009 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5 – 11 October 2009 | 61 / 187 | 1R | Édouard Roger-Vasselin (Q) | 189 | Loss | 4–6, 4–6 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 12 – 18 October 2009 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 12 – 18 October 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 12 – 18 October 2009 | 62 / 187 | 2R | Jürgen Melzer (6) | 43 | Loss | 5–7, 1–2, Ret. |
| Paris Open Paris, France ATP Tour Masters 1000 Hard, indoor 9 – 15 November 2009 |
| Paris Open Paris, France ATP Tour Masters 1000 Hard, indoor 9 – 15 November 2009 | – | 1R | Bye | Bye | Bye | Bye |
| Paris Open Paris, France ATP Tour Masters 1000 Hard, indoor 9 – 15 November 2009 | 63 / 188 | 2R | Marat Safin (WC) | 65 | Win | 6–4, 5–7, 6–4 |
| Paris Open Paris, France ATP Tour Masters 1000 Hard, indoor 9 – 15 November 2009 | 64 / 189 | 3R | Fernando González (10) | 11 | Win | $6–7^{(6–8)},$ $7–6^{(8–6)},$ Ret. |
| Paris Open Paris, France ATP Tour Masters 1000 Hard, indoor 9 – 15 November 2009 | 65 / 190 | QF | Radek Štěpánek (13) | 14 | Loss | 0–4, Ret. |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 | 66 / 193 | RR | Andy Murray (4) | 4 | Loss | 3–6, 6–3, 2–6 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 | 67 / 194 | RR | Fernando Verdasco (7) | 8 | Win | 6–4, 3–6, $7–6^{(7–1)}$ |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 | 68 / 195 | RR | Roger Federer (1) | 1 | Win | 6–2, $6–7^{(5–7)},$ 6–3 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 | 69 / 196 | SF | Robin Söderling (8) | 9 | Win | $6–7^{(1–7)},$ 6–3, $7–6^{(7–3)}$ |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 23 – 29 November 2009 | 70 / 197 | F | Nikolay Davydenko (6) | 7 | Loss (2) | 3–6, 4–6 |

## Yearly records

### Head-to-head matchups

Juan Martín del Potro had a 54–16 (77.1% of wins) match win–loss record in the 2009 season. His record against players who were part of the ATP rankings Top Ten at the time of their meetings was 11–9 (55.0% of wins). Bold indicates player was ranked top 10 at time of meeting. The following list is ordered by number of wins:

* Viktor Troicki 3–0
* Igor Andreev 2–0
* Tomáš Berdych 2–0
* Marin Čilić 2–0
* Fernando González 2–0
* Ernests Gulbis 2–0
* Andy Roddick 2–0
* Robin Söderling 2–0
* Stan Wawrinka 2–0
* Jürgen Melzer 2–1
* Martín Vassallo Argüello 1–0
* Guillermo Cañas 1–0
* Arnaud Clément 1–0
* David Ferrer 1–0
* Juan Carlos Ferrero 1–0
* Victor Hănescu 1–0
* Jan Hernych 1–0
* Lu Yen-Hsun 1–0
* John Isner 1–0
* Daniel Köllerer 1–0
* Michaël Llodra 1–0
* Florian Mayer 1–0
* Ivo Minář 1–0
* Juan Mónaco 1–0
* Gilles Müller 1–0
* Kei Nishikori 1–0
* Sam Querrey 1–0
* Tommy Robredo 1–0
* Marat Safin 1–0
* Andreas Seppi 1–0
* Andrea Stoppini 1–0
* Ryan Sweeting 1–0
* Janko Tipsarević 1–0
* Jo-Wilfried Tsonga 1–0
* Fernando Verdasco 1–0
* Mischa Zverev 1–0
* Rafael Nadal 3–1
* Roger Federer 2–3
* Andy Murray 1–3
* Lleyton Hewitt 1–1
* Ivan Ljubičić 0–1
* Nikolay Davydenko 0–1
* Novak Djokovic 0–1
* Édouard Roger-Vasselin 0–1
* Mardy Fish 0–1
* Radek Štěpánek 0–2
