Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF Vietnam F4 | 2016/09/13 03:00 | Shintaro Imai v Pol Wattanakul | 4-6,6-4,6-0 |
| ITF Thailand F9 | 2018/11/12 03:40 | Pol Wattanakul v Pak Long Yeung | 5-7,1-6 |
| ITF Thailand F9 | 2018/11/11 07:30 | Jirat Navasirisomboon v Pol Wattanakul | 2-6,4-6 |
| ITF Thailand F9 | 2018/11/10 06:00 | Sharobiddin Abzalov v Pol Wattanakul | 7-5,1-6,5-7 |
| ITF Thailand F8 | 2018/11/05 08:25 | Pol Wattanakul v Or Ram-Harel | 1-6,2-6 |
| ITF Thailand F7 | 2018/10/30 06:20 | Sanjar Fayziev v Pol Wattanakul | 4-6,6-3,6-4 |
| ITF Thailand F7 | 2018/10/29 02:00 | Pol Wattanakul v Tsung-Hao Huang | 6-2,6-1 |
| ITF Thailand F7 | 2018/10/28 03:00 | Chukang Wang v Pol Wattanakul | 2-6,1-6 |
| ITF Thailand F7 | 2018/10/27 02:00 | Marut Klaoklang v Pol Wattanakul | 0-6,0-6 |
| Challenger Kobe | 2018/11/13 03:35 | Yasutaka Uchiyama v Shintaro Imai | 3-6,6-3,6-2 |
| ITF Thailand F5 | 2018/10/06 03:30 | Kelsey Stevenson v Shintaro Imai | 6-7,1-6 |
| ITF Thailand F5 | 2018/10/05 04:00 | Jumpei Yamasaki v Shintaro Imai | 2-6,4-6 |
| ITF Thailand F5 | 2018/10/04 04:30 | Felix Corwin v Shintaro Imai | 6-7,4-6 |
| ITF Thailand F5 | 2018/10/03 03:40 | Ren Nakamura v Shintaro Imai | 1-6,2-6 |
| ITF Thailand F5 | 2018/10/02 07:25 | Michal Dembek v Shintaro Imai | 1-6,3-6 |
| ITF Thailand F4 | 2018/09/29 03:00 | Kento Takeuchi v Shintaro Imai | 2-6,6-4,3-6 |
| ITF Thailand F4 | 2018/09/27 02:30 | Soichiro Moritani v Shintaro Imai | 1-6,6-7 |