Stadium: Centre Court (2) Round: 45 Ground: Carpet indoor
| Challenger Koblenz | 2019/01/14 18:20 | Marek Gengel v Roberto Ortega-Olmedo | 6-7,3-6 |
| ITF M15 Monastir | 2019/01/09 08:00 | Adelchi Virgili v Marek Gengel | 6-4,6-2 |
| Czechia Extraliga | 2018/12/17 09:00 | Zdenek Kolar v Marek Gengel | 7-5,6-4 |
| Czechia Extraliga | 2018/12/14 09:00 | Marek Gengel v Jan Stancik | 4-6,4-6 |
| ITF Czech Republic F12 | 2018/11/28 09:00 | Marek Gengel v Robin Stanek | 6-1,3-6,6-7 |
| ITF Czech Republic F11 | 2018/11/21 09:00 | Artem Dubrivnyy v Marek Gengel | 7-6,7-6 |
| ITF Czech Republic F10 | 2018/11/16 09:00 | Michael Vrbensky v Marek Gengel | 6-1,6-3 |
| ITF Czech Republic F10 | 2018/11/15 09:00 | Robin Stanek v Marek Gengel | 4-6,6-2,3-6 |
| ITF Germany F11 | 2018/08/06 09:00 | Maik Steiner v Nicholas Bybel | 4-6,7-6,3-6 |
| ITF Germany F11 | 2018/08/05 10:00 | James Allemby v Maik Steiner | 3-6,1-6 |
| ITF Germany F10 Qual | 2018/07/30 14:45 | Cameron Green v Maik Steiner | 6-2,6-3 |
| ITF Germany F10 Qual | 2018/07/30 09:00 | Maik Steiner v Hendrik Jebens | 6-2,7-5 |
| ITF Germany F10 Qual | 2018/07/29 10:30 | Maximilian Dietel v Maik Steiner | 0-6,0-6 |
| ITF Germany F9 | 2018/07/24 17:30 | Germain Gigounon v Maik Steiner | 6-1,6-0 |
| ITF Germany F9 | 2018/07/23 14:00 | Maik Steiner v Ewen Lumsden | 3-6,6-4,6-0 |
| ITF Germany F9 | 2018/07/22 16:30 | Julian Onken v Maik Steiner | 2-6,6-2,4-6 |