2013 Dunlop World Challenge – Men's singles
# 2013 Dunlop World Challenge – Men's singles

Michał Przysiężny was the defending champion but decided not to participate.

Matthew Ebden won the title, defeating Yūichi Sugita in the final, 6–3, 6–2.

## Seeds

* Matthew Ebden (champion)
* Go Soeda (first round)
* Pierre-Hugues Herbert (second round)
* Yūichi Sugita (final)
* Tatsuma Ito (quarterfinals)
* James Ward (quarterfinals)
* Hiroki Moriya (second round)
* Blaž Rola (semifinals)

## 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 |
| - | - | - | - | - | - | - | - |
| 1 | Matthew Ebden | 6 | 6 | | | | |
| 8 | Blaž Rola | 4 | 4 | | | | |
| 8 | Blaž Rola | 4 | 4 | 1 | Matthew Ebden | 6 | 6 |
| | | | | 4 | Yūichi Sugita | 3 | 2 |
| 4 | Yūichi Sugita | 6 | $7^7$ | 4 | Yūichi Sugita | 3 | 2 |
| | Samuel Groth | 4 | $6^4$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | M Ebden | 6 | 7 | | | | | | | | | | | | | | |
| | M Bašić | 1 | 5 | | 1 | M Ebden | 7 | 6 | | | | | | | | | |
| | C Buchanan | 6 | 3 | 7 | | C Buchanan | 5 | 2 | | | | | | | | | |
| WC | Sho Katayama | 4 | 6 | 5 | | | | | | 1 | M Ebden | $7^7$ | 6 | | | | |
| WC | Jumpei Yamasaki | 4 | 2 | | | | | | | 5 | T Ito | $6^2$ | 4 | | | | |
| Q | Yuuya Kiba | 6 | 6 | | Q | Y Kiba | 6 | 3 | 2 | | | | | | | | |
| SE | B Ćorić | 3 | 4 | | 5 | T Ito | 4 | 6 | 6 | | | | | | | | |
| 5 | T Ito | 6 | 6 | | | | | | | | | | | 1 | M Ebden | 6 | 6 |
| 3 | P-H Herbert | 6 | 6 | | | | | | | | | | | 8 | B Rola | 4 | 4 |
| Q | A Sitak | 3 | 4 | | 3 | P-H Herbert | $6^{12}$ | 4 | | | | | | | | | |
| | M Reid | $6^5$ | 4 | | | B Mitchell | $7^{14}$ | 6 | | | | | | | | | |
| | B Mitchell | $7^7$ | 6 | | | | | | | | B Mitchell | 3 | $6^6$ | | | | |
| | Y Uchiyama | 6 | 6 | | | | | | | 8 | B Rola | 6 | $7^8$ | | | | |
| | Shuichi Sekiguchi | 3 | 2 | | | Y Uchiyama | 4 | 2 | | | | | | | | | |
| | T Chen | 5 | $7^7$ | $6^4$ | 8 | B Rola | 6 | 6 | | | | | | | | | |
| 8 | B Rola | 7 | $6^1$ | $7^7$ | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 6 | J Ward | 6 | 6 | | | | | | | | | | | | | | | |
| | K Coppejans | 3 | 2 | | 6 | J Ward | 7 | 6 | | | | | | | | | | |
| Q | D Udomchoke | 6 | 7 | | Q | D Udomchoke | 5 | 2 | | | | | | | | | | |
| | H Kondo | 2 | 5 | | | | | | | 6 | J Ward | 4 | 4 | | | | | |
| Q | Takashi Saito | 4 | 3 | | | | | | | 4 | Y Sugita | 6 | 6 | | | | | |
| | E López-Pérez | 6 | 6 | | | E López-Pérez | 3 | 3 | | | | | | | | | | |
| WC | T Suzuki | 1 | 5 | | 4 | Y Sugita | 6 | 6 | | | | | | | | | | |
| 4 | Y Sugita | 6 | 7 | | | | | | | | | | | | 4 | Y Sugita | 6 | $7^7$ |
| 7 | H Moriya | $7^7$ | 3 | 6 | | | | | | | | | | | | S Groth | 4 | $6^4$ |
| | Y-h Yang | $6^5$ | 6 | 3 | 7 | H Moriya | 6 | 3 | 4 | | | | | | | | | |
| | J Jung | 7 | 6 | | | J Jung | 3 | 6 | 6 | | | | | | | | | |
| WC | Yu Watanuki | 5 | 3 | | | | | | | | J Jung | $7^8$ | $6^1$ | 4 | | | | |
| | S Groth | $7^7$ | 5 | 6 | | | | | | | S Groth | $6^6$ | $7^7$ | 6 | | | | |
| | A Ward | $6^3$ | 7 | 2 | | S Groth | 6 | 6 | | | | | | | | | | |
| | M Pavić | 6 | $7^9$ | | | M Pavić | 3 | 4 | | | | | | | | | | |
| 2 | G Soeda | 1 | $6^7$ | | | | | | | | | | | | | | | |
