Stadium: Clay 4 Round: 25 Ground: Clay
| ITF Poland F1 | 2018/05/01 09:45 | Smola, Maciej v Gelhardt, Luca | 6-4,4-6,0-6 |
| Varna, Singles M-ITF-BUL-04A | 2019/09/12 09:20 | Gelhardt, Luca v Ivanov, Simon Anthony | 3-6,1-6 |
| Varna, Singles M-ITF-BUL-04A | 2019/09/11 07:00 | Durguti, Besir v Gelhardt, Luca | 1-6,4-6 |
| ITF M15 Eupen | 2019/08/06 10:25 | Max Houkes v Gelhardt, Luca | 5-7,7-6,10-8 |
| ITF M15 Eupen | 2019/08/05 15:00 | Duquesne, Goran v Gelhardt, Luca | 0-6,3-6 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/29 12:50 | Admiraal, Amadatus v Gelhardt, Luca | 6-2,6-3 |
| Bad Schussenried, Singles Qualifying M-ITF-GER-10A | 2019/07/24 14:00 | Gelhardt, Luca v Netuschil, Marvin | 6-7,4-6 |
| Bad Schussenried, Singles Qualifying M-ITF-GER-10A | 2019/07/23 12:40 | Joao Lucas Reis da Silva v Gelhardt, Luca | 4-6,2-6 |
| Bad Schussenried, Singles Qualifying M-ITF-GER-10A | 2019/07/22 14:30 | Gelhardt, Luca v Adrian Oetzbach | 6-4,6-3 |
| Challenger Szczecin | 2019/09/10 15:40 | Kacper Zuk v Smola, Maciej | 7-6,6-2 |
| Challenger Szczecin | 2019/09/09 12:00 | Smola, Maciej v Galus, Piotr | 6-4,3-6,3-6 |
| ITF M15 Helsinki | 2019/08/22 08:00 | Smola, Maciej v Karl Friberg | 3-6,3-6 |
| ITF M15 Helsinki | 2019/08/21 09:05 | Smola, Maciej v Shchaya-Zubrov, Pavel | 5-7,6-3,6-2 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/13 12:00 | Smola, Maciej v Zielinski, Jan | 3-6,4-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/07 10:15 | Dembek, Michal v Smola, Maciej | 7-6,6-7,6-3 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/01 08:00 | Smola, Maciej v Boehler, Dominik | 1-6,1-6 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/30 16:30 | Smola, Maciej v Dhoe, Benjamin | 7-5,4-6,6-1 |