Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2021/08/04 18:45 | Yunseong Chung v Nathan Ponwith | 6-2,6-1 |
| ITF M25 Decatur | 2021/08/03 16:20 | Alexander Petrov v Nathan Ponwith | 2-6,4-6 |
| ITF M25 Decatur | 2021/08/02 15:00 | Toby D. Boyer v Nathan Ponwith | 1-6,3-6 |
| ITF M25 Champaign | 2021/07/28 21:45 | Naoki Nakagawa v Nathan Ponwith | 4-6,7-5,6-2 |
| ITF M25 Champaign | 2021/07/27 17:05 | Nathan Ponwith v Jibril Nettles | 7-5,6-2 |
| ITF M25 Champaign | 2021/07/26 15:00 | Nathan Ponwith v Ozan Baris | 7-6,6-2 |
| ITF M15 Edwardsville | 2021/07/21 21:50 | William Griffith v Nathan Ponwith | 7-5,6-4 |
| ITF M15 Champaign | 2021/06/23 15:00 | Jason Kubler v Nathan Ponwith | 7-5,6-1 |
| ITF M25 Guayaquil | 2021/08/07 15:00 | Ricardo Rodriguez-Pace v Jose Pereira | 7-5,4-6,4-6 |
| ITF M25 Guayaquil | 2021/08/06 15:00 | Ricardo Rodriguez-Pace v Igor Marcondes | 6-3,6-2 |
| ITF M25 Guayaquil | 2021/08/04 14:30 | Eric Vanshelboim v Ricardo Rodriguez-Pace | 6-2,3-6,4-6 |
| ITF M25 Portoviejo | 2021/07/27 14:30 | Ricardo Rodriguez-Pace v Conner Huertas Del Pino | 5-7,6-7 |
| ATP Los Cabos | 2021/07/18 02:05 | Ernesto Escobedo v Ricardo Rodriguez-Pace | 7-6,6-3 |
| ITF M15 Weston | 2021/07/02 15:35 | Murkel Dellien v Ricardo Rodriguez-Pace | 7-6,6-1 |
| ITF M25 Santo Domingo | 2021/06/09 14:55 | Ricardo Rodriguez-Pace v Nick Hardt | 1-6,3-6 |
| ITF M25 Santo Domingo | 2021/06/02 15:20 | Ricardo Rodriguez-Pace v Shintaro Mochizuki | 6-3,4-6,4-6 |