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