Estádio: Court A Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Changwon | 2019/10/15 01:00 | Takuya Kumasaka v Hayeon Seong | 4-6,6-2,10-1 |
| ITF - M15 Changwon | 2019/10/13 06:00 | Takuya Kumasaka v Samuel Beren | 6-4,6-3 |
| ITF - M15 Karuizawa | 2019/05/30 01:00 | Kento Takeuchi v Takuya Kumasaka | 5-7,6-2,6-4 |
| ITF - M15 Karuizawa | 2019/05/28 02:30 | Sota Fujii v Takuya Kumasaka | 4-6,4-6 |
| ITF - M15 Tsukuba | 2019/03/25 01:00 | Takuya Kumasaka v Tomohiro Masabayashi | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/21 02:00 | Takuya Kumasaka v Issei Okamura | 1-6,2-6 |
| ITF M15 Kofu | 2019/03/20 03:25 | Pol Wattanakul v Takuya Kumasaka | 6-3,1-6,3-6 |
| ITF M15 Nishi-Tama | 2019/03/05 07:00 | Takuya Kumasaka v Taisei Ichikawa | 1-6,5-7 |
| ITF - M15 Hua Hin | 2019/08/28 04:50 | Ryan Peniston v Kasidit Samrej | 6-4,6-4 |
| ITF - M15 Hua Hin | 2019/08/21 06:00 | Kasidit Samrej v Wishaya Trongcharoenchaikul | 6-4,4-6,3-6 |
| ITF - M15 Jacarta | 2019/08/16 02:30 | Aryan Goveas v Kasidit Samrej | 6-4,4-6,6-4 |
| ITF - M15 Jacarta | 2019/08/15 03:45 | Aaron Addison v Kasidit Samrej | 3-6,4-6 |
| ITF - M25 Nonthaburi | 2019/07/24 03:30 | Kasidit Samrej v Arjun Kadhe | 3-6,6-2,4-6 |
| ITF - M15 Singapura | 2019/06/13 02:00 | Kelsey Stevenson v Kasidit Samrej | 6-4,4-6,6-2 |
| ITF - M15 Singapura | 2019/06/12 03:00 | Roy Hobbs v Kasidit Samrej | 3-6,1-6 |
| ITF - M15 Singapura | 2019/06/06 12:00 | Aidan Mchugh v Kasidit Samrej | 6-3,6-4 |