Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2023/07/05 02:00 | Kasidit Samrej v Takuya Kumasaka | 6-3,6-2 |
| ITF M25 Anseong | 2023/06/22 04:00 | Daisuke Sumizawa v Takuya Kumasaka | 7-5,7-6 |
| ITF M25 Anseong | 2023/06/21 02:00 | Takuya Kumasaka v Daiki Yoshimura | 6-2,6-0 |
| ITF M25 Daegu | 2023/06/10 00:55 | Uisung Park v Takuya Kumasaka | 6-4,6-0 |
| ITF M25 Daegu | 2023/06/09 01:00 | Yuki Mochizuki v Takuya Kumasaka | 7-6,4-6,2-6 |
| ITF M25 Daegu | 2023/06/06 00:50 | Takuya Kumasaka v Makoto Ochi | 6-3,6-1 |
| ITF M15 Karuizawa | 2023/06/01 02:40 | Jumpei Yamasaki v Takuya Kumasaka | 6-3,6-2 |
| ITF M15 Antalya | 2023/04/26 09:15 | Takuya Kumasaka v Marlon Vankan | 4-6,0-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 04:05 | Karan Singh v Maximus Jones | 4-6,2-6 |
| ITF M15 Jakarta | 2023/06/29 03:25 | Karan Singh v Thiemo De Bakker | 5-7,6-7 |
| ITF M15 Jakarta | 2023/06/28 02:00 | Karan Singh v Justin Barki | 7-5,6-1 |
| ITF M15 Jakarta | 2023/06/21 02:00 | Karan Singh v Nitin Kumar Sinha | 6-3,2-6,0-6 |
| ITF M15 Teheran | 2023/06/15 06:30 | Grigoriy Lomakin v Karan Singh | 6-2,7-6 |
| ITF M15 Teheran | 2023/06/14 08:15 | Luca Fantini v Karan Singh | 6-2,6-7,3-6 |
| ITF M15 Teheran | 2023/06/10 09:30 | Lorenzo Bocchi v Karan Singh | 6-2,6-3 |
| ITF M15 Teheran | 2023/06/09 06:50 | Gabriele Pennaforti v Karan Singh | 5-7,4-6 |