Stadium: Stadium Round: 27 Ground: Hardcourt indoor
| Challenger Cleveland | 2024/02/01 16:00 | Ethan Quinn v Stefan Kozlov | 6-2,4-6,6-3 |
| Challenger Cleveland | 2024/01/29 20:15 | Aidan Mayo v Ethan Quinn | 3-6,3-6 |
| ITF M25 Wesley Chapel | 2024/01/24 13:55 | Peter Bertran v Ethan Quinn | 7-6,7-5 |
| Challenger Oeiras | 2024/01/10 13:00 | Gastao Elias v Ethan Quinn | 3-6,7-5,6-4 |
| Challenger Oeiras | 2024/01/08 13:00 | Ethan Quinn v Joao Domingues | 7-5,6-3 |
| Challenger Oeiras | 2024/01/02 14:40 | Vadym Ursu v Ethan Quinn | 6-4,7-5 |
| Challenger Champaign | 2023/11/18 21:45 | Patrick Kypson v Ethan Quinn | 6-4,6-2 |
| Challenger Champaign | 2023/11/17 18:55 | Ethan Quinn v Nino Serdarusic | 6-3,6-3 |
| Challenger Cleveland | 2024/02/01 19:05 | Thai-Son Kwiatkowski v James Trotter | 6-4,7-6 |
| Challenger Cleveland | 2024/01/30 20:45 | Thai-Son Kwiatkowski v Nick Chappell | 6-3,6-2 |
| Challenger Indian Wells | 2024/01/26 20:55 | Thai-Son Kwiatkowski v Andre Ilagan | 6-1,6-7,3-6 |
| Challenger Indian Wells | 2024/01/25 18:00 | Thai-Son Kwiatkowski v Paul Jubb | 7-5,4-6,6-3 |
| Challenger Indian Wells | 2024/01/24 18:00 | Thai-Son Kwiatkowski v Maxwell McKennon | 6-4,6-3 |
| Challenger Indian Wells | 2024/01/20 18:00 | Brandon Holt v Thai-Son Kwiatkowski | 6-2,5-7,7-6 |
| Challenger Indian Wells | 2024/01/19 18:00 | Thai-Son Kwiatkowski v Marco Trungelliti | 7-5,6-3 |
| Challenger Indian Wells | 2024/01/18 18:00 | Thai-Son Kwiatkowski v Tim Handel | 6-3,7-6 |