1973 Jean Becker Open – Singles
# 1973 Jean Becker Open – Singles

Stan Smith was the defending champion, but Ilie Năstase defeated him 4–6, 6–1, 3–6, 6–0, 6–2 in the final.

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - |
| Karl Meiler | 2 | 0 | 4 | | | | | | |
| Stan Smith | 6 | 6 | 6 | | | | | | |
| Stan Smith | 6 | 6 | 6 | Stan Smith | 6 | 1 | 6 | 0 | 2 |
| | | | | Ilie Năstase | 4 | 6 | 3 | 6 | 6 |
| Tom Okker | 6 | 2 | 5 | Ilie Năstase | 4 | 6 | 3 | 6 | 6 |
| Ilie Năstase | 7 | 6 | 7 | | | | | | |

### Top half

**Section 1**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | M Orantes | 6 | 5 | 5 | | | | | | |
| I Molina | 2 | 7 | 4 | P Szőke | 2 | 7 | 7 | | | | | | |
| P Szőke | 6 | 6 | 6 | | | | | P Szőke | 1 | 1 | | | |
| K Johansson | 3 | 7 | 6 | | | | | K Johansson | 6 | 6 | | | |
| P Dominguez | 6 | 6 | 2 | K Johansson | 6 | 6 | | | | | | | |
| | | | | M Cox | 1 | 4 | | | | | | | |
| | | | | | | | | | | | K Johansson | 2 | 3 |
| | | | | | | | | | | | K Meiler | 6 | 6 |
| | | | | M Riessen | 6 | 4 | 6 | | | | | | |
| B Phillips-Moore | 7 | 3 | 6 | B Phillips-Moore | 2 | 6 | 1 | | | | | | |
| W N'Godrella | 6 | 6 | 4 | | | | | M Riessen | 2 | 4 | | | |
| O N Bengtson | 6 | 5 | 3 | | | | | K Meiler | 6 | 6 | | | |
| A Zugarelli | 3 | 7 | 6 | A Zugarelli | 3 | 5 | | | | | | | |
| | | | | K Meiler | 6 | 7 | | | | | | | |

**Section 2**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | S Smith | 6 | 6 | | | | | | | | | |
| J Borowiak | 0 | 6 | 6 | J Borowiak | 3 | 1 | | | | | | | | | |
| É Deblicker | 6 | 4 | 2 | | | | | S Smith | 6 | 6 | 6 | | | | |
| T Ryan | 7 | 0 | 6 | | | | | J Fillol | 2 | 7 | 2 | | | | |
| G Goven | 5 | 6 | 2 | T Ryan | 3 | 1 | | | | | | | | | |
| | | | | J Fillol | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | S Smith | 3 | 6 | 6 |
| | | | | | | | | | | | | R Tanner | 6 | 1 | 1 |
| | | | | A Panatta | 6 | 3 | 6 | | | | | | | | |
| M Leclercq | 4 | 6 | 2 | F McMillan | 2 | 6 | 3 | | | | | | | | |
| F McMillan | 6 | 3 | 6 | | | | | A Panatta | 5 | 3 | | | | | |
| G Battrick | 6 | 6 | | | | | | R Tanner | 7 | 6 | | | | | |
| J-L Haillet | 4 | 2 | | G Battrick | 2 | 4 | | | | | | | | | |
| | | | | R Tanner | 6 | 6 | | | | | | | | | |

### Bottom half

**Section 3**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | B Borg | 7 | 3 | 7 | | | | | | | |
| G Stilwell | 6 | 6 | 6 | G Stilwell | 6 | 6 | 5 | | | | | | | |
| A Muñoz | 7 | 4 | 4 | | | | | B Borg | 5 | 3 | | | | |
| J Pinto-Bravo | 6 | 4 | 3 | | | | | A Ashe | 7 | 6 | | | | |
| P Proisy | 4 | 6 | 6 | P Proisy | 4 | 7 | 5 | | | | | | | |
| | | | | A Ashe | 6 | 5 | 7 | | | | | | | |
| | | | | | | | | | | | A Ashe | 1 | 6 | 3 |
| | | | | | | | | | | | T Okker | 6 | 3 | 6 |
| | | | | G Vilas | 6 | 6 | | | | | | | | |
| B Carmichael | 2 | 4 | | J Gisbert Sr. | 4 | 2 | | | | | | | | |
| J Gisbert Sr. | 6 | 6 | | | | | | G Vilas | 1 | 1 | | | | |
| R Moore | 6 | 6 | | | | | | T Okker | 6 | 6 | | | | |
| I Țiriac | 3 | 3 | | R Moore | 2 | 2 | | | | | | | | |
| | | | | T Okker | 6 | 6 | | | | | | | | |

**Section 4**

| First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | T Gorman | 6 | 3 | 9 | | | | | | |
| O Parun | 6 | 6 | O Parun | 2 | 6 | 7 | | | | | | |
| B Montrenaud | 4 | 0 | | | | | T Gorman | 4 | 4 | | | |
| J-B Chanfreau | 6 | 6 | | | | | J-B Chanfreau | 6 | 6 | | | |
| C Barazzutti | 1 | 3 | J-B Chanfreau | 6 | 7 | | | | | | | |
| | | | N Pilić | 2 | 6 | | | | | | | |
| | | | | | | | | | | J-B Chanfreau | 3 | 1 |
| | | | | | | | | | | I Năstase | 6 | 6 |
| | | | P Bertolucci | 7 | 3 | | | | | | | |
| P Barthès | 6 | 6 | P Barthès | 6 | 0 | d | | | | | | |
| I El Shafei | 4 | 3 | | | | | P Bertolucci | 2 | 2 | | | |
| H Rahim | 6 | 6 | | | | | I Năstase | 6 | 6 | | | |
| F Jauffret | 2 | 0 | H Rahim | 6 | 2 | 7 | | | | | | |
| | | | I Năstase | 4 | 6 | 9 | | | | | | |
