Stadion: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Doha | 2019/12/18 11:30 | Krittin Koaykul v Daniel Paty | 4-6,4-6 |
| ITF - M15 - Doha | 2019/12/11 11:30 | Maciej Smola v Krittin Koaykul | 7-6,6-2 |
| ITF - M15 - Doha | 2019/12/10 13:00 | Krittin Koaykul v Denis Milchenko | 4-6,6-3,10-3 |
| ITF - M15 - Doha | 2019/12/09 11:20 | Krittin Koaykul v Artem Bahmet | 6-0,6-0 |
| ITF - M15 - Nonthaburi - Qualifikation | 2019/12/01 04:00 | Krittin Koaykul v Jayden Court | 0-6,1-6 |
| ITF - M15 - Nonthaburi | 2019/11/25 06:10 | Krittin Koaykul v Young Seok Kim | 6-2,3-6,4-10 |
| ITF - M15 - Nonthaburi | 2019/11/24 09:05 | Krittin Koaykul v Yuttana Charoenphon | 7-5,4-6,10-2 |
| ITF - M15 - Meshref | 2019/11/14 08:00 | Krittin Koaykul v Vitaliy Sachko | 4-6,5-7 |
| Challenger - Pune | 2019/11/13 09:30 | Steven Diez v Yusuke Takahashi | 6-2,6-2 |
| Challenger - Pune | 2019/11/11 08:55 | Siddharth Vishwakarma v Yusuke Takahashi | 0-6,6-3,3-6 |
| Challenger - Kobe | 2019/11/04 04:00 | Yunseong Chung v Yusuke Takahashi | 7-6,7-6 |
| Challenger - Liuzhou | 2019/10/21 04:45 | Danylo Kalenichenko v Yusuke Takahashi | 6-2,6-2 |
| ITF - M25 - Tay Ninh | 2019/10/04 08:00 | Yusuke Takahashi v Kazuki Nishiwaki | 0-6,6-3,2-6 |
| ITF - M25 - Tay Ninh | 2019/10/03 02:00 | Yusuke Takahashi v Naoki Nakagawa | 6-4,6-3 |
| ITF - M25 - Tay Ninh | 2019/10/01 03:30 | Yusuke Takahashi v Linh Giang Trinh | 6-1,6-4 |
| Challenger - Kaohsiung | 2019/09/17 03:45 | Harry Bourchier v Yusuke Takahashi | 3-6,6-1,6-2 |