Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Lubbock | 2021/09/29 18:50 | Mark Whitehouse v Franco Ribero | 6-7,6-4,6-1 |
| ITF M15 Fayetteville | 2021/09/26 15:00 | Juncheng Shang v Mark Whitehouse | 6-3,6-0 |
| ITF M15 Fayetteville | 2021/09/25 14:50 | Mark Whitehouse v Henry Patten | 1-6,6-4,6-3 |
| ITF M15 Fayetteville | 2021/09/24 14:50 | Mark Whitehouse v Jeffrey Von Der Schulenburg | 6-1,6-3 |
| 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 Lubbock | 2021/09/29 20:35 | Piotr Pawlak v Chanchai Sookton-Eng | 3-6,6-3,5-7 |
| ITF M25 Fayetteville | 2021/09/21 14:00 | Henry Patten v Chanchai Sookton-Eng | 7-5,6-4 |
| ITF M25 Champaign | 2021/09/13 17:00 | Chanchai Sookton-Eng v Emile Hudd | 5-7,2-6 |
| ITF M15 Monastir | 2021/09/07 08:00 | Theo Arribage v Chanchai Sookton-Eng | 4-6,6-4,10-7 |
| ITF M15 Monastir | 2021/09/06 11:00 | Shinnosuke Hiramatsu v Chanchai Sookton-Eng | 6-3,4-6,2-10 |
| ITF M15 Monastir | 2021/08/30 14:00 | Danila Moroz v Chanchai Sookton-Eng | 1-6,7-5,10-7 |
| ITF M15 Monastir | 2021/08/30 08:00 | Dheeraj Kodancha Srinivasan v Chanchai Sookton-Eng | 6-7,6-4,5-10 |
| ITF M15 Monastir | 2021/08/24 07:30 | Gabriel Ciro Da Silva v Chanchai Sookton-Eng | 4-6,7-6,7-10 |