Stadium: Court G Round: 45 Ground: Hardcourt outdoor
| ITF Chinese Taipei F3 | 2016/10/25 02:00 | Kazuma Kawachi v Cheng-Yu Yu | 1-6,2-6 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Cheng-Yu Yu v Worarin Kumthonkittikul | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/15 03:00 | Cheng-Yu Yu v Konstantin Kravchuk | 0-6,5-7 |
| ITF Thailand F9 | 2018/11/14 05:00 | Cheng-Yu Yu v Tonkla Mulada | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/13 08:50 | Igor Smilansky v Cheng-Yu Yu | 4-6,1-6 |
| ITF Thailand F9 | 2018/11/12 02:00 | Cheng-Yu Yu v Yeongseok Jeong | 4-6,6-3,6-4 |
| ITF Thailand F9 | 2018/11/11 02:00 | Cheng-Yu Yu v Ray Ho | 6-2,4-6,7-6 |
| ITF Thailand F8 | 2018/11/06 04:35 | Kuan-Yi Lee v Cheng-Yu Yu | 6-3,6-3 |
| ITF Vietnam F5 | 2018/11/03 03:00 | Nam Hoang Ly v Cheng-Yu Yu | 6-4,6-4 |
| ITF M15 Anning | 2019/01/16 02:00 | Naoki Takeda v Kazuma Kawachi | 6-3,3-6,6-2 |
| ITF M15 Anning | 2019/01/14 05:45 | Kazuma Kawachi v Francesco Bessire | 4-6,6-4,10-7 |
| ITF M15 Anning | 2019/01/14 01:30 | Kazuma Kawachi v Krittin Koaykul | 7-6,6-2 |
| ITF M15 Anning | 2019/01/07 01:30 | Francesco Bessire v Kazuma Kawachi | 6-4,6-3 |
| ITF M15 Anning | 2019/01/02 03:25 | Luca Castelnuovo v Kazuma Kawachi | 6-4,6-3 |
| ITF M15 Anning | 2018/12/31 05:00 | Kazuma Kawachi v Francesco Bessire | 6-7,7-6,10-7 |
| ITF M15 Anning | 2018/12/31 01:30 | Kazuma Kawachi v RunYu Zhao | 6-1,6-0 |
| Challenger Kobe | 2018/11/10 04:15 | Kazuma Kawachi v Sho Shimabukuro | 2-6,2-6 |