Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Czech Republic F8 | 2018/11/01 09:00 | Jonas Forejtek v Ondrej Styler | 6-4,7-6 |
| ITF Czech Republic F8 | 2018/10/31 16:20 | Ondrej Styler v Nikolas Lahky | 6-1,6-2 |
| Challenger Meerbusch | 2018/08/14 15:25 | Rudolf Molleker v Ondrej Styler | 6-3,6-4 |
| Challenger Prague | 2018/07/21 10:05 | Alen Avidzba v Ondrej Styler | 6-1,7-6 |
| ITF Czech Republic F3 | 2018/05/30 13:20 | Marek Jaloviec v Ondrej Styler | 6-4,6-3 |
| ITF Czech Republic F3 Qual | 2018/05/28 09:30 | Ondrej Styler v Daniel Vrba | 4-6,7-5,6-1 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Filip Duda v Ondrej Styler | 5-7,4-6 |
| ITF Czech Republic F3 Qual | 2018/05/26 08:00 | Isa Mammetgulyyev v Ondrej Styler | 1-6,2-6 |
| ITF Finland F4 | 2018/11/14 12:30 | Kristjan Tamm v Marc-Andrea Huesler | 2-6,1-6 |
| ITF Finland F4 | 2018/11/12 11:00 | Patrik Hartmeier v Kristjan Tamm | 4-6,7-5,6-7 |
| ITF Finland F4 | 2018/11/11 09:00 | Kristjan Tamm v Martins Rocens | 6-4,6-4 |
| ITF Finland F4 | 2018/11/10 10:35 | Kristjan Tamm v Aliaksandr Prudnikau | 6-2,6-4 |
| ITF Estonia F3 | 2018/11/06 16:25 | Remy Bertola v Kristjan Tamm | 7-6,6-4 |
| ITF Estonia F2 | 2018/10/30 15:00 | Kristjan Tamm v Luca Castelnuovo | 2-6,2-6 |
| ITF Finland F3 | 2018/08/15 08:00 | Karl Friberg v Kristjan Tamm | 6-3,6-2 |
| ITF Finland F3 | 2018/08/13 07:00 | Kristjan Tamm v George Botezan | 2-6,6-4,6-2 |