Stadium: Court 8 Round: 45 Ground: Clay
| 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 Japan F3 | 2017/03/18 00:30 | Sota Fujii v Aoran Wang | 6-4,6-4 |
| ITF M15 Kofu | 2019/03/18 06:30 | Keigo Shimizu v Seita Watanabe | 1-6,1-6 |
| ITF M15 Kofu | 2019/03/18 03:00 | Quentin Folliot v Keigo Shimizu | 2-6,1-6 |
| ITF M15 Nishi-Tama | 2019/03/05 03:30 | Hiroyasu Ehara v Keigo Shimizu | 6-1,6-0 |
| ITF Japan F1 | 2018/03/03 03:00 | Naru Shirafuji v Keigo Shimizu | 6-2,6-1 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Yuki Matsuo v Keigo Shimizu | 7-6,5-7,6-1 |
| ITF Japan F3 | 2017/03/18 06:00 | Collin Johns v Keigo Shimizu | 6-4,6-1 |
| ITF Japan F1 | 2017/03/05 01:00 | Yuki Mochizuki v Keigo Shimizu | 6-2,6-1 |