Stadium: Court 6 Round: 14 Ground: Hardcourt indoor
| Challenger Cleveland | 2024/01/30 17:00 | Stefan Kozlov v Strong Kirchheimer | 3-6,6-1,7-6 |
| Challenger Indian Wells | 2024/01/25 19:55 | Zachary Svajda v Strong Kirchheimer | 6-2,6-1 |
| Challenger Indian Wells | 2024/01/24 01:10 | Evan Zhu v Strong Kirchheimer | 4-6,4-6 |
| Challenger Indian Wells | 2024/01/17 18:00 | Strong Kirchheimer v Brandon Holt | 3-6,3-6 |
| Challenger Indian Wells | 2024/01/16 19:30 | Strong Kirchheimer v Ajeet Rai | 6-2,5-2 |
| Challenger Champaign | 2023/11/15 17:00 | Ethan Quinn v Strong Kirchheimer | 6-1,6-4 |
| Challenger Knoxville | 2023/11/07 20:20 | Thai-Son Kwiatkowski v Strong Kirchheimer | 6-7,6-2,6-4 |
| ITF M25 Saint-Augustin | 2023/10/28 17:15 | Strong Kirchheimer v Charles Broom | 4-6,2-6 |
| Challenger Nottingham | 2024/02/04 10:00 | Marvin Moeller v David Poljak | 6-4,7-6 |
| ITF M25 Nussloch | 2024/01/25 11:25 | Hazem Naw v David Poljak | 6-4,6-4 |
| ITF M25 Nussloch | 2024/01/24 10:00 | David Poljak v Henrik Bladelius | 6-2,6-1 |
| ITF M15 Cadolzburg | 2024/01/18 11:45 | David Poljak v Jakub Filip | 4-6,4-6 |
| ITF M15 Cadolzburg | 2024/01/16 10:00 | Henri Haupt v David Poljak | 5-7,1-6 |
| Česká republika - Extraliga | 2023/12/17 09:00 | David Poljak v Vojtech Vlkovsky | 6-0,6-1 |
| ITF M25 Vale Do Lobo | 2023/11/21 14:10 | David Poljak v Khumoyun Sultanov | 6-2,4-6,1-6 |
| ITF M25 Vale Do Lobo | 2023/11/15 15:40 | Jaime Faria v David Poljak | 6-3,7-6 |