# 2016 Dunlop World Challenge – Men's singles

Yoshihito Nishioka was the defending champion but lost in the quarterfinals to James Duckworth.
Duckworth won the title after defeating Tatsuma Ito 7–5, 4–6, 6–1 in the final.

## Seeds

* Yoshihito Nishioka (quarterfinals)
* Yūichi Sugita (second round)
* Go Soeda (second round)
* Chung Hyeon (second round)
* James Duckworth (champion)
* Lee Duck-hee (second round)
* Tatsuma Ito (final)
* Hiroki Moriya (second round)

## 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 | Final |
| 5 | James Duckworth | 6 | 7$^7$ | | | | | | |
| | Daniel Masur | 3 | 6$^3$ | | | | | | |
| | Daniel Masur | 3 | 6$^3$ | | 5 | James Duckworth | 7 | 4 | 6 |
| | | | | | 7 | Tatsuma Ito | 5 | 6 | 1 |
| | Luke Saville | 7$^7$ | 3 | 4 | 7 | Tatsuma Ito | 5 | 6 | 1 |
| 7 | Tatsuma Ito | 6$^5$ | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Y Nishioka | 6 | 6 | | | | | | | | | | | | | | |
| | S-c Hong | 3 | 3 | | 1 | Y Nishioka | 6 | 6 | | | | | | | | | |
| | L Lokoli | 6$^4$ | 5 | | | J-P Smith | 4 | 4 | | | | | | | | | |
| | J-P Smith | 7$^7$ | 7 | | | | | | 1 | Y Nishioka | 3 | 2 | | | | | |
| | A Weintraub | 6$^2$ | 2 | | | | | | 5 | J Duckworth | 6 | 6 | | | | | |
| | Yuya Kibi | 7$^7$ | 6 | | | Y Kibi | 4 | 4 | | | | | | | | | |
| | A Michon | 3 | 4 | | 5 | J Duckworth | 6 | 6 | | | | | | | | | |
| 5 | J Duckworth | 6 | 6 | | | | | | | | | | | 5 | J Duckworth | 6 | 7$^7$ |
| 4 | H Chung | 6 | 6 | | | | | | | | | | | | D Masur | 3 | 6$^3$ |
| | Shuichi Sekiguchi | 1 | 3 | | 4 | H Chung | 5 | 3 | | | | | | | | | |
| WC | Y Takahashi | 6 | 7 | | WC | Y Takahashi | 7 | 6 | | | | | | | | | |
| | Y Uchiyama | 3 | 5 | | | | | | WC | Y Takahashi | 6 | 4 | 5 | | | | |
| | D Masur | 2 | 6 | 6 | | | | | | D Masur | 4 | 6 | 7 | | | | |
| | T Chen | 6 | 4 | 4 | | D Masur | 6 | 6 | | | | | | | | | |
| | T Niki | 4 | 4 | | 8 | H Moriya | 2 | 3 | | | | | | | | | |
| 8 | H Moriya | 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 | D-h Lee | 7$^7$ | 4 | 7 | | | | | | | | | | | | | | |
| Q | M Przysiężny | 6$^3$ | 6 | 5 | 6 | D-h Lee | 3 | 6 | 3 | | | | | | | | | |
| WC | Makoto Ochi | 1 | 1 | | | L Saville | 6 | 3 | 6 | | | | | | | | | |
| | L Saville | 6 | 6 | | | | | | | | L Saville | 6 | 6 | | | | | |
| Q | Y-k Lim | 6 | 2 | 6 | | | | | | Q | Y-k Lim | 4 | 0 | | | | | |
| | S-w Kwon | 4 | 6 | 1 | Q | Y-k Lim | 6 | 4 | 7 | | | | | | | | | |
| | Kim Cheong-eui | 3 | 1 | | 3 | G Soeda | 4 | 6 | 5 | | | | | | | | | |
| 3 | G Soeda | 6 | 6 | | | | | | | | | | | | L Saville | 7$^7$ | 3 | 4 |
| 7 | T Ito | 7$^7$ | 6 | | | | | | | | | | | 7 | T Ito | 6$^5$ | 6 | 6 |
| WC | Yu Watanuki | 6$^2$ | 2 | | 7 | T Ito | 6 | 6 | | | | | | | | | | |
| WC | Yo Watanuki | 6 | 6 | | WC | Yo Watanuki | 4 | 4 | | | | | | | | | | |
| | A Pavić | 3 | 3 | | | | | | | 7 | T Ito | 6 | 6 | | | | | |
| | E Leshem | 3 | 3 | | | | | | | Q | Y Shyla | 4 | 3 | | | | | |
| Q | Y Shyla | 6 | 6 | | Q | Y Shyla | 6$^6$ | 6 | 6 | | | | | | | | | |
| Q | K Takeuchi | 5 | 3 | | 2 | Y Sugita | 7$^8$ | 4 | 4 | | | | | | | | | |
| 2 | Y Sugita | 7 | 6 | | | | | | | | | | | | | | | |