Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/10/27 10:00 | Menelaos Efstathiou v Ali Habib | 6-3,6-3 |
| ITF M25 Pretoria | 2021/09/29 12:20 | Ryan Nijboer v Menelaos Efstathiou | 6-3,6-0 |
| ITF M25 Pretoria | 2021/09/28 07:00 | Menelaos Efstathiou v Tadija Radovanovic | 6-2,6-1 |
| ITF M25 Pretoria | 2021/09/27 08:30 | Menelaos Efstathiou v Munashe Chingono | 6-2,6-3 |
| ITF M25 Johannesburg | 2021/09/23 08:30 | Alec Beckley v Menelaos Efstathiou | 7-6,6-4 |
| ITF M25 Johannesburg | 2021/09/22 10:10 | Leonid Sheyngezikht v Menelaos Efstathiou | 1-6,1-6 |
| ITF M25 Johannesburg | 2021/09/21 07:00 | Menelaos Efstathiou v Preston Brown | 6-2,6-2 |
| ITF M25 Johannesburg | 2021/09/20 08:45 | Menelaos Efstathiou v Nikolai C Hensberg | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/10/27 09:25 | Saba Purtseladze v Lukas Krainer | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2021/10/24 08:00 | Hady Habib v Lukas Krainer | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/23 08:00 | Simone Roncalli v Lukas Krainer | 6-4,4-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/10/22 07:55 | Marat Deviatiarov v Lukas Krainer | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/10/21 08:00 | Lukas Krainer v David Poljak | 3-6,6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/20 13:40 | Leonardo Malgaroli v Lukas Krainer | 6-7,2-6 |
| ITF M15 Káhira | 2021/09/22 08:00 | Marco Miceli v Lukas Krainer | 6-1,6-2 |
| Challenger Tulln | 2021/09/05 09:00 | Benjamin Hassan v Lukas Krainer | 6-4,6-4 |