Stadium: Court 1 Round: 62 Ground: Clay
| ITF - M15 Káhira | 2021/01/17 10:00 | Simone Roncalli v Ken Onishi | 6-3,6-1 |
| ITF - M15 Káhira | 2021/01/11 08:00 | Ken Onishi v Simon Beaupain | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/24 10:00 | Amr Asrawy v Ken Onishi | 4-6,6-0,10-8 |
| ITF - M15 Sharm El Sheikh | 2020/02/17 09:00 | Piotr Grynkowski v Ken Onishi | 6-1,6-4 |
| ITF - M15 Hong Kong | 2020/01/08 09:30 | Makoto Ochi v Ken Onishi | 7-6,6-2 |
| ITF - M15 Hong Kong | 2020/01/07 04:45 | Kousuke Ogura v Ken Onishi | 5-7,4-6 |
| ITF - M15 Hong Kong | 2020/01/06 02:00 | Shohei Chikami v Ken Onishi | 4-6,1-6 |
| ITF - M15 Te Anau | 2019/12/30 23:00 | Elliot Benchetrit v Ken Onishi | 7-5,6-1 |
| ITF M15 Getafe Madrid | 2020/12/01 08:00 | Mathys Erhard v Alberto Barroso Campos | 2-6,3-6 |
| ITF M15 Getafe Madrid | 2020/11/30 09:30 | Yan Bondarevskiy v Mathys Erhard | 3-6,6-4,6-10 |
| ITF M15 Getafe Madrid | 2020/11/29 15:00 | Max Alcala Gurri v Mathys Erhard | 7-5,0-6,9-11 |
| ITF - M15 Benicarlo | 2020/11/25 08:55 | Tiago Cacao v Mathys Erhard | 6-7,6-3,6-4 |
| ITF - M15 Benicarlo | 2020/11/23 08:30 | Benjamin Pietri v Mathys Erhard | 4-6,2-6 |
| ITF - M15 Benicarlo | 2020/11/22 13:00 | Mathys Erhard v Kuzey Cekirge | 6-4,6-4 |
| ITF - M15 Villena | 2020/11/15 11:30 | Michael Zhu v Mathys Erhard | 6-4,6-1 |
| ITF - M15 Valldoreix | 2020/11/09 09:00 | Sergi Perez Contri v Mathys Erhard | 7-5,6-2 |