Stadium: Center Court Round: 19 Ground: Hardcourt outdoor
| Challenger Istanbul | 2023/09/03 07:55 | Martin Damm v Niki Kaliyanda Poonacha | 7-5,7-6 |
| US Open | 2023/08/24 14:00 | Federico Coria v Martin Damm | 6-3,6-2 |
| US Open | 2023/08/22 15:00 | Federico Delbonis v Martin Damm | 4-6,6-4,5-7 |
| ITF M25 Southaven | 2023/08/13 13:55 | Chris Rodesch v Martin Damm | 6-7,6-1,6-3 |
| ITF M25 Southaven | 2023/08/12 14:30 | Andres Martin v Martin Damm | 4-6,6-3,3-6 |
| ITF M25 Southaven | 2023/08/12 00:00 | Keshav Chopra v Martin Damm | 6-7,3-6 |
| ITF M25 Southaven | 2023/08/10 22:45 | Alexander Kotzen v Martin Damm | 3-6,6-3,3-6 |
| ITF M25 Southaven | 2023/08/09 23:50 | Harry Rock v Martin Damm | 1-6,1-6 |
| Challenger Istanbul | 2023/09/03 09:20 | David Poljak v Evgeny Karlovskiy | 6-2,4-6,6-3 |
| ITF M25 Idanha-A-Nova | 2023/08/31 09:30 | Alberto Barroso Campos v David Poljak | 6-3,6-2 |
| ITF M25 Idanha-A-Nova | 2023/08/29 08:00 | David Poljak v Martim Simoes | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2023/08/25 08:00 | David Poljak v Rafael Izquierdo Luque | 4-6,6-1,5-7 |
| ITF M25 Idanha-A-Nova | 2023/08/23 09:30 | Patrick Schoen v David Poljak | 5-7,6-7 |
| Challenger Grodzisk Mazowiecki | 2023/08/15 11:50 | Elias Ymer v David Poljak | 6-4,6-3 |
| Challenger Grodzisk Mazowiecki | 2023/08/14 10:50 | Niki Kaliyanda Poonacha v David Poljak | 3-6,2-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 11:40 | David Poljak v Edas Butvilas | 3-6,7-6,7-6 |