# 2017 Dunlop World Challenge – Men's singles

James Duckworth was the defending champion but chose not to defend his title.
Matthew Ebden won the title after defeating Calvin Hemery 7–6$^{(7–3)}$, 6–3 in the final.

## Seeds

* Taro Daniel (first round)
* Matthew Ebden (champion)
* Tatsuma Ito (quarterfinals, retired)
* Go Soeda (second round)
* John Millman (semifinals)
* Kwon Soon-woo (second round)
* Calvin Hemery (final)
* Lee Duck-hee (quarterfinals)

## 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 | Semifinals | Final | Final | Final | Final |
| 7 | Calvin Hemery | 7$^7$ | 6$^4$ | 6 | | | | |
| 5 | John Millman | 6$^4$ | 7$^7$ | 2 | | | | |
| 5 | John Millman | 6$^4$ | 7$^7$ | 2 | 7 | Calvin Hemery | 6$^3$ | 3 |
| | | | | | 2 | Matthew Ebden | 7$^7$ | 6 |
| | Hubert Hurkacz | 6 | 4 | 6$^2$ | 2 | Matthew Ebden | 7$^7$ | 6 |
| 2 | Matthew Ebden | 4 | 6 | 7$^7$ | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Daniel | 3 | 6$^4$ | | | | | | | | | | | | | | | | |
| WC | Shintaro Imai | 6 | 7$^7$ | | WC | S Imai | 3 | 3 | | | | | | | | | | | |
| | A Whittington | 6 | 6 | | | A Whittington | 6 | 6 | | | | | | | | | | | |
| | H Moriya | 3 | 4 | | | | | | | | A Whittington | 6 | 3 | 5 | | | | | |
| | O Jasika | 6 | 4 | 4 | | | | | | 7 | C Hemery | 3 | 6 | 7 | | | | | |
| | B Mousley | 4 | 6 | 6 | | B Mousley | 6$^3$ | 1 | | | | | | | | | | | |
| | A Bolt | 4 | 6$^4$ | | 7 | C Hemery | 7$^7$ | 6 | | | | | | | | | | | |
| 7 | C Hemery | 6 | 7$^7$ | | | | | | | | | | | | 7 | C Hemery | 7$^7$ | 6$^4$ | 6 |
| 4 | G Soeda | 7$^7$ | 6 | | | | | | | | | | | | 5 | J Millman | 6$^4$ | 7$^7$ | 2 |
| | E Leshem | 6$^1$ | 4 | | 4 | G Soeda | 2 | 6$^6$ | | | | | | | | | | | |
| | J Jung | 4 | 6 | 2 | | M Purcell | 6 | 7$^8$ | | | | | | | | | | | |
| | M Purcell | 6 | 3 | 6 | | | | | | | M Purcell | 5 | 2 | | | | | | |
| | Yo Watanuki | 4 | 4 | | | | | | | 5 | J Millman | 7 | 6 | | | | | | |
| | Y Uchiyama | 6 | 6 | | | Y Uchiyama | 6$^5$ | 7$^{13}$ | 6$^9$ | | | | | | | | | | |
| WC | Yuga Tashiro | 3 | 2 | | 5 | J Millman | 7$^7$ | 6$^{11}$ | 7$^{11}$ | | | | | | | | | | |
| 5 | J Millman | 6 | 6 | | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | S-w Kwon | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | A Krajicek | 6$^1$ | 4 | | 6 | S-w Kwon | 7$^7$ | 4 | 5 | | | | | | | | | |
| | H Hurkacz | 6 | 6 | | | H Hurkacz | 6$^5$ | 6 | 7 | | | | | | | | | |
| Q | K Uesugi | 3 | 0 | | | | | | | | H Hurkacz | 6 | 4 | | | | | |
| Q | K Takeuchi | 4 | 4 | | | | | | | 3 | T Ito | 0 | 0$^r$ | | | | | |
| Q | Hiroyasu Ehara | 6 | 6 | | Q | H Ehara | 2 | 1 | | | | | | | | | | |
| | S Robert | 3 | 7 | 2 | 3 | T Ito | 6 | 6 | | | | | | | | | | |
| 3 | T Ito | 6 | 5 | 6 | | | | | | | | | | | H Hurkacz | 6 | 4 | 6$^2$ |
| 8 | D-h Lee | 6 | 6 | | | | | | | | | | | 2 | M Ebden | 4 | 6 | 7$^7$ |
| Q | Yuya Kibi | 3 | 4 | | 8 | D-h Lee | 6 | 6 | | | | | | | | | | |
| | Z Li | 7 | 6 | | | Z Li | 3 | 3 | | | | | | | | | | |
| | T Gabashvili | 5 | 2 | | | | | | | 8 | D-h Lee | 3 | 0 | | | | | |
| WC | Jumpei Yamasaki | 3 | 2 | | | | | | | 2 | M Ebden | 6 | 6 | | | | | |
| WC | Y Shimizu | 6 | 6 | | WC | Y Shimizu | 3 | 2 | | | | | | | | | | |
| | Y Takahashi | 1 | 6$^6$ | | 2 | M Ebden | 6 | 6 | | | | | | | | | | |
| 2 | M Ebden | 6 | 7$^8$ | | | | | | | | | | | | | | | |