Ethan Quinn 6-2,4-6,6-3 Stefan Kozlov 2023-09-23 20:00
Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
Home History
| Challenger Columbus | 2023/09/19 16:00 | Federico Agustin Gomez v Ethan Quinn | 7-5,7-6 |
| Challenger Cary | 2023/09/12 00:20 | Zachary Svajda v Ethan Quinn | 4-6,6-3,6-4 |
| US Open | 2023/08/28 20:30 | Bernabe Zapata Miralles v Ethan Quinn | 6-4,6-4,6-3 |
| Challenger Stanford | 2023/08/14 18:45 | Ethan Quinn v Emilio Nava | 1-6,2-6 |
| Challenger Cary | 2023/08/07 20:30 | Ethan Quinn v Gijs Brouwer | 7-6,3-6,1-6 |
| ATP Atlanta | 2023/07/24 17:00 | Ethan Quinn v Aleksandar Vukic | 6-7,3-6 |
| ATP Newport | 2023/07/19 17:00 | Tommy Paul v Ethan Quinn | 6-4,6-2 |
| ATP Newport | 2023/07/18 19:45 | Ethan Quinn v Mukund Sasikumar | 6-3,6-1 |
Away History
| Challenger Columbus | 2023/09/17 16:55 | Stefan Kozlov v Jack Anthrop | 4-6,6-4,4-6 |
| ATP Winston-Salem | 2023/08/19 17:05 | Inaki Montes-De La Torre v Stefan Kozlov | 3-6,6-1,6-3 |
| ATP Indian Wells | 2023/03/07 04:25 | Roberto Marcora v Stefan Kozlov | 6-1,6-3 |
| ATP Dallas | 2023/02/06 18:00 | Zachary Svajda v Stefan Kozlov | 6-3,6-4 |
| ATP Dallas | 2023/02/05 18:45 | Thai-Son Kwiatkowski v Stefan Kozlov | 3-6,4-6 |
| Challenger Cleveland | 2023/02/03 16:15 | Stefan Kozlov v Yibing Wu | 4-6,1-6 |
| Challenger Cleveland | 2023/02/02 17:45 | Stefan Kozlov v Ryan Harrison | 6-4,6-4 |
| Challenger Cleveland | 2023/01/31 16:20 | Stefan Kozlov v Patrick Kypson | 6-4,7-6 |