Stadium: Court Bohdan Tomaszewski Round: 25 Ground: Clay
| Challenger - Stettin | 2023/09/11 09:30 | Lucas Gerch v Miljan Zekic | 6-4,6-4 |
| ITF - M25 Oldenzaal | 2023/09/03 13:10 | Oliver Crawford v Lucas Gerch | 5-7,0-6 |
| ITF - M25 Oldenzaal | 2023/09/02 13:50 | Lucas Gerch v Max Houkes | 6-3,6-4 |
| ITF - M25 Oldenzaal | 2023/09/01 11:25 | Dax Donders v Lucas Gerch | 6-4,3-6,1-6 |
| ITF - M25 Oldenzaal | 2023/08/31 10:25 | Sander Jong v Lucas Gerch | 2-6,6-7 |
| ITF - M25 Oldenzaal | 2023/08/30 08:00 | Jurriaan Bol v Lucas Gerch | 0-6,4-6 |
| Challenger Augsburg | 2023/08/23 08:00 | Lucas Gerch v Moez Echargui | 3-6,4-6 |
| Challenger - Todi | 2023/08/15 18:50 | Luciano Darderi v Lucas Gerch | 6-2,6-3 |
| Challenger - Stettin | 2023/09/11 09:30 | Steven Diez v Andrew Paulson | 3-6,1-6 |
| Challenger - Stettin | 2023/09/10 08:30 | Marvin Moeller v Andrew Paulson | 2-6,2-6 |
| ITF - M25 Jablonec nad Nisou | 2023/08/30 09:50 | Daniel Siniakov v Andrew Paulson | 5-7,7-6,6-4 |
| Challenger - Praag | 2023/08/24 08:00 | Valentin Vacherot v Andrew Paulson | 7-6,6-2 |
| Challenger - Praag | 2023/08/23 08:00 | Andrew Paulson v Mathys Erhard | 6-3,6-3 |
| Challenger - Praag | 2023/08/22 08:00 | Andrew Paulson v Pawel Juszczak | 6-4,6-4 |
| ITF M25 - Lodz | 2023/08/13 08:00 | Daniel Paty v Andrew Paulson | 4-6,6-4,4-6 |
| ITF M25 - Lodz | 2023/08/12 09:30 | Jakub Nicod v Andrew Paulson | 6-3,6-7,2-6 |