Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Fayetteville | 2021/09/23 16:40 | Mark Whitehouse v Florian Broska | 6-3,7-6 |
| ITF M15 Fayetteville | 2021/09/22 21:25 | Mark Whitehouse v Ryan Shane | 6-1,6-0 |
| ITF M15 Allershausen | 2021/09/02 11:10 | Mark Whitehouse v David Jorda Sanchis | 6-3,3-6,6-7 |
| ITF M15 Allershausen | 2021/09/01 14:05 | Mark Whitehouse v William Ma | 6-4,3-6,6-2 |
| ITF M15 Oldenzaal | 2021/08/20 13:15 | Mark Whitehouse v Damien Wenger | 6-7,2-6 |
| ITF M15 Oldenzaal | 2021/08/19 08:55 | Mark Whitehouse v Oscar Moraing | 4-6,6-3,6-3 |
| 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 |
| ITF M15 Fayetteville | 2021/09/23 18:20 | Inaki Montes-De La Torre v Jeffrey Von Der Schulenburg | 4-6,1-6 |
| ITF M15 Fayetteville | 2021/09/22 16:25 | Tadeas Paroulek v Jeffrey Von Der Schulenburg | 3-6,6-7 |
| ITF M25 Fayetteville | 2021/09/21 14:00 | Jeffrey Von Der Schulenburg v Noah Schachter | 6-3,6-3 |
| ITF M25 Fayetteville | 2021/09/20 14:00 | Jeffrey Von Der Schulenburg v Carles Hernandez | 6-2,6-2 |
| ITF M15 Esch/Alzette | 2021/07/21 09:00 | Jeffrey Von Der Schulenburg v Alexander Weis | 4-6,4-6 |
| ITF M15 Esch/Alzette | 2021/07/20 13:00 | Jeffrey Von Der Schulenburg v Guy Den Ouden | 6-4,3-6,7-5 |
| ITF M15 L'Aquila | 2021/07/15 16:15 | Jeffrey Von Der Schulenburg v Andrea Basso | 4-6,1-6 |
| ITF M15 L'Aquila | 2021/07/14 08:00 | Edoardo Graziani v Jeffrey Von Der Schulenburg | 4-6,3-6 |