Round: 25 Ground: Hardcourt outdoor
| ITF India F1 | 2016/04/26 05:00 | N. Vijay Sundar Prashanth v Pol Wattanakul | 6-2,6-3 |
| Davis Cup | 2016/03/06 03:10 | Pol Wattanakul v Sharmal Dissanayake | 6-4,6-2,3-6,3-6,1-6 |
| Davis Cup | 2016/03/04 03:00 | Pol Wattanakul v Harshana Godamanna | 3-6,7-6,3-6,3-6 |
| ITF Thailand F9 | 2015/12/01 04:00 | Pol Wattanakul v Phassawit Bura'ritta | 6-0,4-6,2-6 |
| ITF Thailand F9 | 2015/11/27 03:00 | Mikelis Libietis v Pol Wattanakul | 6-4,3-6,6-3 |
| ITF Thailand F9 | 2015/11/26 03:00 | Sumit Nagal v Pol Wattanakul | 4-6,6-7 |
| ITF Thailand F9 | 2015/11/24 05:50 | Jarryd Chaplin v Pol Wattanakul | 3-6,6-7 |
| ITF Thailand F9 | 2015/08/10 04:50 | Phassawit Bura'ritta v Pol Wattanakul | 6-4,6-4 |
| ITF Japan F5 | 2016/04/06 00:30 | Ken Onishi v Takao Suzuki | 6-3,4-6,3-6 |
| ITF Japan F5 | 2016/04/04 01:30 | Ken Onishi v Koichi Sano | 6-1,6-0 |
| ITF Japan F5 | 2016/04/03 02:30 | Ken Onishi v Kazuki Shimizu | 6-3,6-2 |
| ITF Japan F4 | 2016/03/27 01:00 | Yosuke Watanuki v Ken Onishi | 6-2,7-6 |
| ITF Japan F3 | 2016/03/23 01:00 | Yuya Kibi v Ken Onishi | 7-6,6-1 |
| ITF Japan F3 | 2016/03/22 03:10 | Ken Onishi v Keisuke Watanuki | 2-6,6-2,7-5 |
| ITF Japan F2 | 2016/03/12 02:00 | Tung-Lin Wu v Ken Onishi | 6-2,6-2 |
| ITF Kuwait F3 | 2015/11/26 08:00 | Ken Onishi v Evgeny Karlovskiy | 3-6,2-6 |