Stadium: COURT 12 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/21 10:40 | Filip Peliwo v Prechtel, Sebastian | 3-6,4-6 |
| ITF M25 Johannesburg | 2021/09/14 09:30 | Prechtel, Sebastian v Hunter, Vaughn | 5-7,4-6 |
| ITF M15 Bad Waltersdorf | 2021/09/02 11:10 | Fausto Tabacco v Prechtel, Sebastian | 6-4,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/25 10:55 | Lipovsek Puches, Tomas v Prechtel, Sebastian | 7-5,6-1 |
| ITF M15 Warmbad-Villach | 2021/08/20 10:55 | Prechtel, Sebastian v Donati, Matteo | 3-6,6-4,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/19 07:55 | Luigi Sorrentino v Prechtel, Sebastian | 4-6,6-3,1-6 |
| ITF M15 Warmbad-Villach | 2021/08/18 13:05 | Giacomo Revelli v Prechtel, Sebastian | 3-6,3-6 |
| ITF M15 Frederiksberg | 2021/08/05 12:25 | August Holmgren v Prechtel, Sebastian | 6-3,3-6,6-3 |
| 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 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 Caripi, Vasilios | 6-0,6-1 |
| ITF M25 Johannesburg | 2021/09/14 08:00 | Kravchuk, Konstantin v Alastair Gray | 4-6,3-6 |
| ITF M25 Sintra | 2021/09/08 09:00 | Paul Jubb v Alastair Gray | 6-4,6-4 |
| ITF M25 Sintra | 2021/09/07 10:45 | Alastair Gray v Korsgaard, Henrik Heise | 6-1,6-4 |