Stadium: Center court Round: 29 Ground: Hardcourt outdoor
| ITF USA F39 Qual | 2017/11/27 18:10 | Michail Pervolarakis v Alastair Gray | 6-2,2-6,6-7 |
| 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 Johannesburg | 2021/09/17 08:00 | Alastair Gray v Alafia Ayeni | 6-2,6-4 |
| ITF - M25 Johannesburg | 2021/09/16 10:00 | Alastair Gray v Vasilios Caripi | 6-0,6-1 |
| ITF - M25 Johannesburg | 2021/09/25 08:00 | Michail Pervolarakis v Benjamin Lock | 6-4,7-6 |
| ITF - M25 Johannesburg | 2021/09/24 10:05 | Rio Noguchi v Michail Pervolarakis | 4-6,2-6 |
| ITF - M25 Johannesburg | 2021/09/22 09:05 | Connor H Van Schalkwyk v Michail Pervolarakis | 6-4,1-6,2-6 |
| Davis Cup | 2021/09/18 10:35 | Michail Pervolarakis v Laurynas Grigelis | 6-7,6-3,5-7 |
| UTR Pro Tennis Series - Kalifornia | 2021/09/03 15:00 | Michail Pervolarakis v Drew Baird | 6-4,3-6,5-7 |
| UTR Pro Tennis Series - Kalifornia | 2021/09/01 21:00 | Michail Pervolarakis v Arthur Bellegy | 6-4,1-6,5-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/31 15:00 | Michail Pervolarakis v Shahin Khaledan | 7-5,5-2 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/30 18:00 | Neel Rajesh v Michail Pervolarakis | 2-6,1-5 |