Stadium: Court 6 Round: 54 Ground: Clay
| ITF Bahrain F1 Qual | 2018/03/17 12:00 | Rahul Jaideep v Pierre Gimla | 6-1,6-0 |
| ITF Netherlands F5 | 2017/08/12 08:00 | Joris Bodin v Pierre Gimla | 6-0,6-0 |
| ITF Czech Republic F3 Qual | 2017/05/27 11:00 | Pierre Gimla v Filip Dolezel | 0-6,0-6 |
| ITF Slovakia F3 | 2016/08/07 07:30 | Christophe Nickels v Pierre Gimla | 6-0,6-0 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Ryota Tanuma v Seita Watanabe | 3-6,6-1,12-10 |
| ITF M15 Kofu | 2019/03/20 07:15 | Seita Watanabe v Sho Katayama | 3-6,2-6 |
| 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 | Seita Watanabe v Shao-Fan Liu | 6-3,4-6,11-9 |
| ITF M15 Nishi-Tokyo | 2019/03/12 05:00 | Makoto Ochi v Seita Watanabe | 6-1,6-2 |
| Challenger Kobe | 2018/11/11 06:10 | Blake Ellis v Seita Watanabe | 6-4,6-2 |
| Challenger Kobe | 2018/11/10 07:20 | Seita Watanabe v Takashi Saito | 4-6,7-5,7-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Seita Watanabe v Tomohiro Masabayashi | 7-6,5-7,4-6 |