Stadium: Center Court Round: 45 Ground: Carpet indoor
| ITF Germany F16 | 2018/10/24 11:15 | Christopher Heyman v Leopold Zima | 6-2,6-3 |
| ITF Germany F16 | 2018/10/23 10:30 | Leopold Zima v Julian Onken | 4-6,6-3,6-2 |
| ITF Croatia F2 | 2018/03/11 08:00 | Tom Kocevar-Desman v Leopold Zima | 6-3,6-2 |
| ITF Croatia F2 | 2018/03/10 08:00 | Leopold Zima v Roko Horvat | 6-3,6-1 |
| ITF Germany F14 | 2017/10/09 10:00 | Leopold Zima v Jonas Trinker | 6-4,2-6,6-7 |
| ITF Germany F14 | 2017/10/08 11:30 | Jakob Sude v Leopold Zima | 3-6,2-6 |
| ITF Germany F14 | 2017/10/08 07:00 | Leopold Zima v Nenad Vladusic | 6-4,6-2 |
| ITF Germany F3 | 2017/01/23 08:30 | Leopold Zima v Nils Brinkmann | 5-7,5-7 |
| Challenger Ismaning | 2018/10/13 09:00 | David Poljak v Julian Lenz | 6-7,2-6 |
| ITF Sweden F5 | 2018/10/04 12:00 | Patrik Niklas-Salminen v David Poljak | 6-1,7-6 |
| ITF Sweden F5 | 2018/10/01 12:00 | Lukas Ollert v David Poljak | 6-4,3-6,2-6 |
| Challenger Orleans Qual | 2018/09/22 17:30 | David Poljak v Yannick Jankovits | 3-6,4-6 |
| Challenger Istanbul | 2018/09/10 07:30 | David Poljak v Tak Khunn Wang | 6-4,6-7,3-6 |
| Challenger Istanbul | 2018/09/09 10:10 | David Poljak v Timur Khabibulin | 6-4,6-2 |
| Challenger Zhangjiagang | 2018/09/02 06:50 | Di Wu v David Poljak | 6-3,6-4 |
| ITF Belarus F3 | 2018/08/24 07:00 | Francesco Vilardo v David Poljak | 6-4,3-6,6-2 |