Stadium: Court 10 Round: 45
| ITF Germany F14 | 2015/09/30 10:10 | Marc Sieber v Pavel Nejedly | 6-3,6-4 |
| ITF Croatia F2 | 2018/03/13 10:45 | Franjo Raspudic v Pavel Nejedly | 6-4,1-6,7-6 |
| ITF Croatia F1 | 2018/03/09 13:25 | Pavel Nejedly v Mate Delic | 4-6,6-3,3-6 |
| ITF Croatia F1 | 2018/03/09 09:00 | Pavel Nejedly v Nik Razborsek | 7-5,6-2 |
| ITF Croatia F1 | 2018/03/08 09:00 | Pavel Nejedly v Andres Gabriel Ciurletti | 7-6,6-2 |
| ITF Croatia F1 | 2018/03/07 08:00 | Pavel Nejedly v Tobias Sonne | 6-0,6-3 |
| ITF Turkey F6 | 2018/02/15 10:35 | Pavel Nejedly v Yannik Reuter | 4-6,3-6 |
| ITF Turkey F6 | 2018/02/14 07:00 | Pavel Nejedly v Bogdan Bobrov | 6-2,6-3 |
| ITF Turkey F4 | 2018/02/02 08:00 | Enrique Lopez-Perez v Pavel Nejedly | 6-3,6-1 |
| ITF Portugal F4 | 2018/03/14 11:40 | Marc Sieber v Alejandro Davidovich Fokina | 3-6,3-6 |
| ITF Portugal F4 | 2018/03/13 12:25 | Marc Sieber v Yann Marti | 6-2,0-6,6-1 |
| ITF Turkey F8 | 2018/03/01 09:30 | Marc Sieber v Marko Miladinovic | 6-7,6-4,4-6 |
| ITF Turkey F8 | 2018/02/28 08:30 | Marc Sieber v Ivan Davydov | 6-3,6-3 |
| Challenger Bergamo Qual | 2018/02/18 10:50 | Marc Sieber v Yannick Jankovits | 2-6,6-3,3-6 |
| Challenger Bergamo Qual | 2018/02/17 12:00 | Daniel Masur v Marc Sieber | 3-6,3-6 |
| Challenger Budapest Qual | 2018/02/04 11:30 | Marc Sieber v Alessandro Bega | 7-6,0-6,5-7 |
| Challenger Budapest Qual | 2018/02/03 08:30 | Jurabek Karimov v Marc Sieber | 1-6,3-6 |