Stadium: Court 9 Round: 25 Ground: Clay
| ITF M15 Karuizawa | 2019/05/27 04:00 | Sota Fujii v Keigo Shimizu | 6-3,6-2 |
| ITF M15 Karuizawa | 2019/05/27 00:00 | Chen Chang v Sota Fujii | 2-6,0-6 |
| ITF M15 Nishi-Tokyo | 2019/03/11 01:00 | Kousuke Ogura v Sota Fujii | 6-3,2-6,10-8 |
| ITF Japan F2 | 2018/03/11 02:30 | Rio Noguchi v Sota Fujii | 6-2,1-6,6-2 |
| ITF Japan F1 | 2018/03/05 01:00 | Sota Fujii v Naoya Maesaki | 6-3,4-6,4-6 |
| ITF Japan F1 | 2018/03/04 01:00 | Sota Fujii v Yunosuke Tanaka | 7-6,3-6,6-2 |
| ITF Japan F1 | 2018/03/03 04:30 | Shinta Fujii v Sota Fujii | 4-6,4-6 |
| ITF Japan F3 | 2017/03/18 06:00 | Arata Onozawa v Sota Fujii | 6-4,6-3 |
| 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 Thailand F9 | 2018/11/11 06:00 | Wei-De Lin v Takuya Kumasaka | 6-4,2-6,7-6 |
| ITF Thailand F9 | 2018/11/10 05:00 | Noppadol Noikor v Takuya Kumasaka | 1-6,1-6 |
| ITF Thailand F8 | 2018/11/04 06:00 | Takuya Kumasaka v Abhinav Sanjeev Shanmugam | 3-6,6-3,4-6 |
| ITF Thailand F8 | 2018/11/03 04:30 | Sam Ryan Ziegann v Takuya Kumasaka | 2-6,1-6 |