Stadion: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF - M25 - Pretoria | 2021/09/29 12:45 | Alastair Gray v Asaf Friedler | 6-2,6-1 |
| ITF - M25 - Johannesburg | 2021/09/26 09:30 | Alastair Gray v Michail Pervolarakis | 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 Khololwam Montsi | 6-2,6-4 |
| ITF - M25 - Johannesburg | 2021/09/23 07:00 | Sebastian Prechtel v Alastair Gray | 3-6,0-6 |
| ITF - M25 - Johannesburg | 2021/09/22 08:30 | Julian Cash v Alastair Gray | 3-6,3-6 |
| ITF - M25 - Johannesburg | 2021/09/19 09:40 | Alastair Gray v Jeremy Beale | 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 | Markos Kalovelonis v Makoto Ochi | 6-4,6-4 |
| ITF - M25 - Johannesburg | 2021/09/16 07:55 | Makoto Ochi v Vaughn Hunter | 3-6,3-6 |
| ITF - M25 - Johannesburg | 2021/09/14 09:55 | Makoto Ochi v Robbie Arends | 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 - Heraklion | 2021/06/09 06:30 | Makoto Ochi v Alexis Musialek | 4-6,2-6 |