Stadium: Court 7 Round: 25 Ground: Clay
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/29 13:30 | Cordonnier, Gregorio v Seita Watanabe | 4-6,6-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/29 08:00 | Gimla, Pierre v Seita Watanabe | 0-6,0-6 |
| ITF - M15 Kashiwa | 2019/04/01 00:00 | Ryota Tanuma v Seita Watanabe | 3-6,6-1,12-10 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/20 07:15 | Seita Watanabe v Katayama, Sho | 3-6,2-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 06:30 | Shimizu, Keigo v Seita Watanabe | 1-6,1-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 03:00 | Seita Watanabe v Liu, Shao-Fan | 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 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/25 09:00 | Orlando Luz v Fattar, Anas | 6-2,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/24 08:30 | Martinez, Mirko v Fattar, Anas | 1-6,5-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/18 08:30 | Fattar, Anas v Schmitz, Constantin | 3-6,1-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/17 11:45 | Fattar, Anas v Jirousek, Tomas | 6-4,1-6,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/15 12:00 | Fattar, Anas v Bossel, Adrien | 6-4,2-6,10-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/15 08:00 | Fattar, Anas v Hersey, Jake | 7-5,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 11:30 | Fattar, Anas v Kyrian Jacquet | 3-6,6-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 08:00 | Fattar, Anas v Escandell Juan, Gerard | 6-0,6-2 |