# 2016 Shimadzu All Japan Indoor Tennis Championships – Singles

Michał Przysiężny is the defending champion, but chose not to defend his title .
Yuichi Sugita won the title, defeating Zhang Ze in the final 5–7, 6–3, 6–4 .

## Seeds

* Yūichi Sugita (champion)
* Tatsuma Ito (first round)
* Go Soeda (quarterfinals)
* Luke Saville (first round)
* Hiroki Moriya (second round)
* Bai Yan (second round)
* Chen Ti (second round)
* Lee Duck-hee (first 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 |
| 1 | Yūichi Sugita | 6 | 7 | | | | | | |
| | Matthew Barton | 4 | 5 | | | | | | |
| | Matthew Barton | 4 | 5 | | 1 | Yūichi Sugita | 5 | 6 | 6 |
| | | | | | | Zhang Ze | 7 | 3 | 4 |
| Q | Yuya Kibi | 7$^7$ | 3 | 4 | | Zhang Ze | 7 | 3 | 4 |
| | Zhang Ze | 6$^3$ | 6 | 6 | | | | | |

### 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 |
| 1 | Y Sugita | 6 | 6 | | | | | | | | | | | | | | | |
| | T Vorster | 4 | 2 | | 1 | Y Sugita | 6 | 6 | | | | | | | | | | |
| Q | A Kapaś | 6 | 6 | | Q | A Kapaś | 3 | 2 | | | | | | | | | | |
| | K Takeuchi | 4 | 4 | | | | | | | 1 | Y Sugita | 7 | 6 | | | | | |
| | L Harris | 7$^9$ | 6 | | | | | | | | L Harris | 5 | 3 | | | | | |
| | A Beck | 6$^7$ | 4 | | | L Harris | 4 | 6 | 7$^7$ | | | | | | | | | |
| | F Cipolla | 1 | 0 | | 5 | H Moriya | 6 | 3 | 6$^4$ | | | | | | | | | |
| 5 | H Moriya | 6 | 6 | | | | | | | | | | | | 1 | Y Sugita | 6 | 7 |
| 3 | G Soeda | 6 | 6 | | | | | | | | | | | | | M Barton | 4 | 5 |
| | F Tearney | 2 | 2 | | 3 | G Soeda | 6 | 6 | | | | | | | | | | |
| | A Bega | 3 | 6 | 6 | | A Bega | 3 | 2 | | | | | | | | | | |
| WC | Shintaro Imai | 6 | 3 | 4 | | | | | | 3 | G Soeda | 6 | 5 | 3 | | | | |
| | M Barton | 7$^7$ | 3 | 7$^{10}$ | | | | | | | M Barton | 4 | 7 | 6 | | | | |
| WC | Y Uchiyama | 6$^2$ | 6 | 6$^8$ | | M Barton | 6 | 7$^7$ | | | | | | | | | | |
| | B Mitchell | 7$^7$ | 6 | | | B Mitchell | 1 | 6$^5$ | | | | | | | | | | |
| 8 | D-h Lee | 6$^3$ | 1 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 7 | T Chen | 7 | 6 | | | | | | | | | | | | | | | | |
| | Hiroyasu Ehara | 5 | 0 | | 7 | T Chen | 3 | 6$^5$ | | | | | | | | | | | |
| | S Singh | 3 | 6 | 6$^8$ | Q | Y Kibi | 6 | 7$^7$ | | | | | | | | | | | |
| Q | Yuya Kibi | 6 | 3 | 7$^{10}$ | | | | | | Q | Y Kibi | 3 | 6 | 6 | | | | | |
| | J Wang | 6 | 6 | | | | | | | | J Wang | 6 | 1 | 2 | | | | | |
| WC | Ken Onishi | 3 | 2 | | | J Wang | 6 | 6 | | | | | | | | | | | |
| Q | Shuichi Sekiguchi | 6 | 7 | | Q | S Sekiguchi | 4 | 4 | | | | | | | | | | | |
| 4/Q | L Saville | 3 | 5 | | | | | | | | | | | | Q | Y Kibi | 7$^7$ | 3 | 4 |
| 6 | Y Bai | 6 | 6 | | | | | | | | | | | | | Z Zhang | 6$^3$ | 6 | 6 |
| WC | Sora Fukuda | 2 | 2 | | 6 | Y Bai | 6 | 3 | 4 | | | | | | | | | | |
| | P Kobelt | 6$^4$ | 6 | 7 | | P Kobelt | 4 | 6 | 6 | | | | | | | | | | |
| | M Janvier | 7$^7$ | 2 | 5 | | | | | | | P Kobelt | 2 | 6$^3$ | | | | | | |
| | Z Li | 6$^1$ | 3 | | | | | | | | Z Zhang | 6 | 7$^7$ | | | | | | |
| | T Niki | 7$^7$ | 6 | | | T Niki | 3 | 1 | | | | | | | | | | | |
| | Z Zhang | 6 | 1 | 6 | | Z Zhang | 6 | 6 | | | | | | | | | | | |
| 2 | T Ito | 4 | 6 | 2 | | | | | | | | | | | | | | | |