Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Pretoria | 2021/09/29 12:45 | Alastair Gray v Friedler, Asaf | 6-2,6-1 |
| ITF M25 Johannesburg | 2021/09/26 09:30 | Alastair Gray v Pervolarakis, Michail | 4-6,6-3,6-2 |
| ITF M25 Johannesburg | 2021/09/25 11:00 | Mateus Alves v Alastair Gray | 4-6,6-3,2-6 |
| ITF M25 Johannesburg | 2021/09/24 07:55 | Alastair Gray v Montsi, Khololwam | 6-2,6-4 |
| ITF M25 Johannesburg | 2021/09/23 07:00 | Prechtel, Sebastian v Alastair Gray | 3-6,0-6 |
| ITF M25 Johannesburg | 2021/09/22 08:30 | Cash, Julian v Alastair Gray | 3-6,3-6 |
| ITF M25 Johannesburg | 2021/09/19 09:40 | Alastair Gray v Beale, Jeremy | 7-6,6-4 |
| ITF M25 Johannesburg | 2021/09/18 07:55 | Alastair Gray v Dylan Salton | 6-1,6-4 |
| ITF M25 Pretoria | 2021/09/29 11:30 | Leonid Sheyngezikht v Makoto Ochi | 3-6,6-7 |
| ITF M25 Johannesburg | 2021/09/22 08:35 | Kalovelonis, Markos v Makoto Ochi | 6-4,6-4 |
| ITF M25 Johannesburg | 2021/09/16 07:55 | Makoto Ochi v Hunter, Vaughn | 3-6,3-6 |
| ITF M25 Johannesburg | 2021/09/14 09:55 | Makoto Ochi v Arends, Robbie | 6-3,6-2 |
| ITF - M15 Monastir | 2021/08/18 10:25 | Sascha Gueymard Wayenburg v Makoto Ochi | 6-3,6-2 |
| ITF - M15 Monastir | 2021/08/12 08:00 | Takuya Kumasaka v Makoto Ochi | 6-4,6-4 |
| ITF - M15 Monastir | 2021/08/11 07:30 | Mousa Alkotop v Makoto Ochi | 3-6,6-1,2-6 |
| ITF - M15 Héraklion | 2021/06/09 06:30 | Makoto Ochi v Musialek, Alexis | 4-6,2-6 |