Round: 45 Ground: Carpet indoor
| Czech Extraliga, Men | 2018/12/17 11:00 | Martin, Andrej v Vondrak, Martin | 6-1,6-0 |
| Czech Extraliga, Men | 2018/12/16 12:30 | Safranek, Vaclav v Vondrak, Martin | 6-1,6-1 |
| ITF Czech Republic F10 | 2018/11/12 10:00 | Vondrak, Martin v Marek, Wojciech | 6-4,3-6,2-6 |
| ITF Czech Republic F9 | 2018/11/06 09:00 | Vondrak, Martin v Guenther, Valentin | 3-6,4-6 |
| ITF Czech Republic F9 | 2018/11/05 12:20 | Terczynski, Mateusz v Vondrak, Martin | 4-6,3-6 |
| ITF Czech Republic F9 | 2018/11/04 10:00 | Vondrak, Martin v Michal Lusovsky | 6-7,6-4,7-6 |
| Challenger Prostejov Qual | 2018/06/03 14:15 | Cuevas, Martin v Vondrak, Martin | 7-5,6-1 |
| Challenger Prostejov Qual | 2018/06/03 08:00 | Jakub Novak v Vondrak, Martin | 2-6,0-6 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/10 12:55 | Marc-Andrea Huesler v Niklas Schell | 6-1,6-4 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/09 10:20 | Niklas Schell v van Der Horst, Tim | 6-4,6-2 |
| ITF - M15 Antalya | 2019/09/17 08:00 | Niklas Schell v Mert Alkaya | 7-6,4-6,6-7 |
| Varna, Singles M-ITF-BUL-04A | 2019/09/11 07:00 | Ivanov, Simon Anthony v Niklas Schell | 3-6,6-0,6-2 |
| ITF M15 Ueberlingen | 2019/08/21 11:00 | Niklas Schell v Santanna, B. | 6-7,6-4,1-6 |
| ITF M15 Trier | 2019/08/15 12:00 | Schmitz, Constantin v Niklas Schell | 6-3,6-4 |
| ITF M15 Trier | 2019/08/14 10:00 | Niklas Schell v Kai Wehnelt | 7-6,3-6,7-6 |
| ITF M15 Trier | 2019/08/13 09:30 | Niklas Schell v Hartmeier, Patrik | 6-4,6-2 |