Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/08 07:30 | Mwendwa Mbithi v Takuya Kumasaka | 6-2,6-7,2-10 |
| ITF M15 Monastir | 2021/08/03 07:30 | Siddhant Banthia v Takuya Kumasaka | 6-3,5-7,13-11 |
| ITF M15 Cairo | 2021/04/18 07:00 | Takuya Kumasaka v Olexiy Kolisnyk | 2-6,0-6 |
| ITF M15 Cairo | 2021/04/11 11:00 | Benedikt Emesz v Takuya Kumasaka | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/04/05 11:30 | Adam Jones v Takuya Kumasaka | 4-6,6-1,10-7 |
| ITF M15 Sharm El Sheikh | 2021/03/28 07:00 | Takuya Kumasaka v Toby D. Boyer | 3-6,3-6 |
| ITF M15 Antalya | 2019/12/17 07:00 | Lucas Bouquet v Takuya Kumasaka | 7-5,6-2 |
| ITF M15 Antalya | 2019/12/16 11:30 | Augusto Virgili v Takuya Kumasaka | 0-6,2-6 |
| ITF M15 Indore | 2021/03/07 06:00 | Dheeraj Kodancha Srinivasan v Yugal Bansal | 6-3,1-6,6-10 |