Stadium: Court 2 Round: 28 Ground: Hardcourt outdoor
| ITF M25 - Tulsa | 2021/06/16 14:00 | Nathan Ponwith v Sam Riffice | 5-7,4-6 |
| ITF M25 - Edwardsville | 2022/07/29 17:30 | Sam Riffice v Michael Zheng | 6-4,6-1 |
| ITF M25 - Edwardsville | 2022/07/28 16:15 | Pedja Krstin v Sam Riffice | 2-6,1-6 |
| ITF M25 - Edwardsville | 2022/07/27 17:30 | Jibril Nettles v Sam Riffice | 3-6,5-7 |
| ITF M25 - Champaign | 2022/07/20 13:55 | Eduardo Nava v Sam Riffice | 6-3,6-4 |
| Challenger - Rome GA | 2022/07/11 20:30 | Sam Riffice v Shintaro Mochizuki | 6-7,6-7 |
| ITF M25 - Tulsa | 2022/06/22 15:10 | Murphy Cassone v Sam Riffice | 6-3,6-4 |
| ITF M25 - Wichita | 2022/06/16 15:35 | Yuta Shimizu v Sam Riffice | 6-3,1-6,6-1 |
| ITF M25 - Wichita | 2022/06/16 00:50 | Alexander Richards v Sam Riffice | 1-6,2-6 |
| ITF M25 - Edwardsville | 2022/07/29 18:15 | Jack Anthrop v Nathan Ponwith | 6-1,3-6,4-6 |
| ITF M25 - Edwardsville | 2022/07/28 17:10 | Arvid Nordquist v Nathan Ponwith | 3-6,3-6 |
| ITF M25 - Edwardsville | 2022/07/27 18:30 | Alexander Petrov v Nathan Ponwith | 6-4,6-7,4-6 |
| ITF M25 - Champaign | 2022/07/21 18:10 | Nathan Ponwith v Patrick Kypson | 4-6,4-6 |
| ITF M25 - Champaign | 2022/07/20 19:25 | Johannus Monday v Nathan Ponwith | 6-2,5-7,4-6 |
| ITF M15 - Lakewood | 2022/07/17 19:05 | Jaimee Floyd Angele v Nathan Ponwith | 6-2,7-5 |
| ITF M15 - Lakewood | 2022/07/16 17:00 | Nathan Ponwith v Hudson Rivera | 4-6,6-4,6-4 |
| ITF M15 - Lakewood | 2022/07/15 17:00 | Alexander Petrov v Nathan Ponwith | 6-4,4-6,4-6 |