Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Cairo | 2021/01/26 08:00 | Andrey Chepelev v Aristotelis Thanos | 6-7,7-6,7-10 |
| ITF M15 Cairo | 2021/01/25 08:00 | Aristotelis Thanos v Petrovic, Luka | 6-2,6-2 |
| ITF M15 Cairo | 2021/01/19 08:00 | Quentin Folliot v Aristotelis Thanos | 6-4,4-6,10-8 |
| ITF M15 Cairo | 2021/01/18 08:00 | Aristotelis Thanos v Lazar Vojinovic | 6-1,6-4 |
| ITF M15 Cairo | 2021/01/17 09:30 | Novikov, Egor v Aristotelis Thanos | 4-6,7-5,6-10 |
| ITF - M15 Héraklion | 2020/11/25 12:35 | Sebastian Gima v Aristotelis Thanos | 6-1,6-0 |
| ITF - M15 Héraklion | 2020/11/11 09:30 | Aristotelis Thanos v Billy Harris | 7-6,6-4 |
| ITF - M15 Héraklion | 2020/11/11 08:00 | Mateus Alves v Aristotelis Thanos | 6-2,6-1 |
| ITF M15 Cairo | 2021/01/26 07:55 | Dzhavakian, Yurii v Onishi, Ken | 4-6,1-6 |
| ITF M15 Cairo | 2021/01/25 08:00 | Onishi, Ken v Maikel De Boes | 6-4,3-6,18-16 |
| ITF M15 Cairo | 2021/01/24 11:30 | Onishi, Ken v Mathys Erhard | 6-4,6-4 |
| ITF M15 Cairo | 2021/01/17 10:00 | Roncalli, Simone v Onishi, Ken | 6-3,6-1 |
| ITF M15 Cairo | 2021/01/11 08:00 | Onishi, Ken v Simon Beaupain | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/24 10:00 | Asrawy, Amr v Onishi, Ken | 4-6,6-0,10-8 |
| ITF - M15 Sharm El Sheikh | 2020/02/17 09:00 | Piotr Grynkowski v Onishi, Ken | 6-1,6-4 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/08 09:30 | Makoto Ochi v Onishi, Ken | 7-6,6-2 |