Stadium: Court 2 Round: 25 Ground: Clay
| ITF Czech Republic F7 | 2017/10/25 11:35 | Patrik Nema v Ondrej Krstev | 6-3,5-7,6-2 |
| ITF Hungary F1 | 2017/05/09 10:40 | Ondrej Krstev v Patrik Nema | 4-6,5-7 |
| Challenger Prostejov Qual | 2018/06/03 08:00 | David Poljak v Patrik Nema | 2-6,6-2,6-4 |
| ITF Czech Republic F3 | 2018/05/30 12:35 | Patrik Nema v Antonin Stepanek | 4-6,5-7 |
| ITF Hungary F3 | 2018/05/23 10:10 | Patrik Nema v Tomas Liska | 4-6,3-6 |
| ITF Hungary F3 | 2018/05/22 09:15 | Patrik Nema v Richard Dulganov | 6-0,5-7,6-1 |
| ITF Hungary F2 | 2018/05/16 12:15 | Patrik Nema v Mate Valkusz | 1-6,3-6 |
| ITF Hungary F2 | 2018/05/15 11:20 | Patrik Nema v Marcell Bartakovics | 6-2,7-5 |
| ITF Greece F5 | 2018/03/27 08:20 | Patrik Nema v Loic Ratsaratany | 6-4,6-4 |
| ITF Greece F4 | 2018/03/23 12:30 | Patrik Nema v Rudolf Molleker | 7-6,3-6,3-6 |
| ITF Germany F9 | 2018/07/24 12:20 | Marcelo Zormann v Ondrej Krstev | 6-4,6-1 |
| ITF Czech Republic F6 Qual | 2018/07/07 13:30 | Ondrej Krstev v Michael Gloeckler | 3-6,1-6 |
| ITF Germany F4 | 2018/06/16 08:00 | Ondrej Krstev v James Markiewicz | 6-1,6-2 |
| ITF Czech Republic F2 | 2018/05/24 10:10 | Patrik Rikl v Ondrej Krstev | 6-1,6-4 |
| ITF Czech Republic F2 | 2018/05/22 08:00 | Ondrej Krstev v Kody Pearson | 2-6,7-5,6-3 |
| ITF Hungary F1 | 2018/05/08 08:00 | Ondrej Krstev v Nicolae Frunza | 0-6,0-6 |
| ITF Bahrain F1 | 2018/03/21 08:00 | Jelle Sels v Ondrej Krstev | 6-3,6-3 |
| ITF Bahrain F1 | 2018/03/20 13:05 | Ondrej Krstev v Elyas Abdulnabi | 6-4,6-2 |