Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 - San Diego | 2023/06/14 19:15 | Matt Kuhar v Mitchell Harper | 6-4,6-2 |
| ITF M15 - San Diego | 2023/06/08 19:40 | Jonas Eriksson Ziverts v Mitchell Harper | 6-4,7-6 |
| ITF M15 - San Diego | 2023/06/07 15:50 | Mitchell Harper v Gage Brymer | 6-3,7-6 |
| ITF M15 - Rancho Santa Fe | 2023/05/30 19:00 | Jack Anthrop v Mitchell Harper | 6-1,6-2 |
| ITF M15 - Tbilisi | 2023/05/05 08:00 | Mitchell Harper v Orel Kimhi | 4-6,2-6 |
| ITF M15 - Tbilisi | 2023/05/04 09:25 | Egor Agafonov v Mitchell Harper | 6-7,6-7 |
| ITF M15 - Tbilisi | 2023/05/03 13:30 | Jacob Bradshaw v Mitchell Harper | 1-6,1-6 |
| ITF M25 - Tbilisi | 2023/04/27 06:00 | Alibek Kachmazov v Mitchell Harper | 4-6,6-1,6-2 |
| ITF M15 - Tallahassee | 2023/10/27 14:50 | Felix Corwin v Karl Poling | 6-4,6-2 |
| ITF M15 - Tallahassee | 2023/10/26 18:25 | Karl Poling v Noah Schachter | 6-4,6-4 |
| ITF M15 - Tallahassee | 2023/10/25 14:00 | Karl Poling v Ryan Dickerson | 6-7,6-1,6-2 |
| Challenger Cary | 2023/08/08 18:00 | Karl Poling v Ryan Peniston | 2-6,6-1,5-7 |
| Challenger Cary | 2023/08/07 16:00 | Karl Poling v Fons Van Sambeek | 6-2,6-4 |
| Challenger Cary | 2023/08/06 14:00 | Omni Kumar v Karl Poling | 6-1,3-6,5-7 |
| ITF M25 - Decatur | 2023/08/02 13:45 | Gavin Young v Karl Poling | 6-0,7-6 |
| ITF M25 - Decatur | 2023/08/01 19:05 | Karl Poling v David Krasner | 6-0,6-0 |