Stadium: Court 3 Round: 26 Ground: Clay
| ITF M15 Oldenzaal | 2021/08/18 08:00 | Marvin Netuschil v Mark Whitehouse | 4-6,3-6 |
| ITF M15 Monastir | 2021/06/22 08:30 | Benjamin Winter Lopez v Mark Whitehouse | 7-6,6-3 |
| Challenger Nottingham Qual | 2021/06/13 12:00 | Zhizhen Zhang v Mark Whitehouse | 6-4,7-6 |
| ITF M15 Heraklion | 2021/06/01 10:30 | Mark Whitehouse v Daniel Little | 4-6,1-6 |
| ITF M15 Heraklion | 2021/05/25 08:00 | Mark Whitehouse v Petros Chrysochos | 5-7,4-6 |
| ITF M15 Heraklion | 2021/05/19 09:45 | Takuto Niki v Mark Whitehouse | 6-3,6-3 |
| ITF M15 Shymkent | 2021/04/14 07:00 | Mark Whitehouse v Dostanbek Tashbulatov | 4-6,4-6 |
| ITF M15 Shymkent | 2021/04/07 05:40 | Dostanbek Tashbulatov v Mark Whitehouse | 6-4,6-4 |
| ITF M15 Oldenzaal | 2021/08/18 11:30 | Alexis Canter v Oscar Moraing | 6-7,2-6 |
| ITF M15 Oldenzaal | 2021/08/17 10:15 | Dominik Boehler v Oscar Moraing | 4-6,1-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Lautaro Agustin Falabella v Oscar Moraing | 2-6,3-6 |
| ITF M15 Oldenzaal | 2021/08/15 10:15 | Bastien Presuhn v Oscar Moraing | 3-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/09 09:00 | Adrian Oetzbach v Oscar Moraing | 6-4,3-6,10-6 |
| ITF M15 Frederiksberg | 2021/08/05 13:00 | Jonathan Mridha v Oscar Moraing | 6-1,6-3 |
| ITF M15 Frederiksberg | 2021/08/03 12:45 | Oscar Moraing v Gianni Ross | 7-5,4-6,6-4 |
| ITF M15 Frederiksberg | 2021/08/03 11:30 | Oscar Moraing v Gianni Ross | 7-5,4-6,6-4 |