Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| 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 Ma, William | 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 | Netuschil, Marvin 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 Héraklion | 2021/06/01 10:30 | Mark Whitehouse v Daniel Little | 4-6,1-6 |
| ITF M15 Champaign | 2021/09/15 19:40 | Shane, Ryan v Nathan Ponwith | 5-7,2-6 |
| ITF M25 Champaign | 2021/07/27 15:00 | Shane, Ryan v Horve, Lucas | 6-3,4-6,4-10 |
| ITF M25 Champaign | 2021/07/26 15:00 | Shane, Ryan v Alexander Petrov | 6-4,6-2 |
| ITF M15 Edwardsville | 2021/07/21 19:20 | Boyer, Dusty H v Shane, Ryan | 6-3,6-1 |
| ITF M15 Edwardsville | 2021/07/20 15:30 | Shane, Ryan v Boyer, Toby D | 6-2,6-7,10-7 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/01 15:55 | Axel Nefve v Shane, Ryan | 6-0,7-5 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/17 00:35 | Oliver Crawford v Shane, Ryan | 7-5,7-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/15 15:55 | Shane, Ryan v Ortlip, Joshua | 5-7,6-4,10-5 |