Stadium: Court 1 Round: 26 Ground: Carpet indoor
| ITF Czech Republic F1 | 2017/05/17 08:30 | David Poljak v Ondrej Krstev | 6-1,7-5 |
| ITF M15 Opava | 2019/10/30 14:30 | Jiri Barnat v Ondrej Krstev | 2-6,1-6 |
| ITF M15 Olomouc | 2019/10/17 09:40 | Ondrej Krstev v Petr Michnev | 3-6,4-6 |
| ITF M15 Olomouc | 2019/10/16 12:55 | Andrew Paulson v Ondrej Krstev | 4-6,1-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/10 09:00 | Ondrej Krstev v Jan Choinski | 4-6,3-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/09 10:20 | Ondrej Krstev v Jakub Paul | 6-3,6-2 |
| ITF M15 Tabarka | 2019/09/26 10:35 | Luca Prevosto v Ondrej Krstev | 6-1,4-6,3-6 |
| ITF M15 Tabarka | 2019/09/25 11:25 | Ondrej Krstev v Alberto Bronzetti | 6-3,2-6,6-4 |
| ITF M15 Tabarka | 2019/09/20 10:30 | Marco Miceli v Ondrej Krstev | 6-3,6-3 |
| ITF M15 Opava | 2019/10/30 13:10 | Tomas Vanko v David Poljak | 4-6,2-6 |
| ITF M15 Olomouc | 2019/10/17 10:30 | David Poljak v Robin Stanek | 5-7,6-3,6-7 |
| ITF M15 Olomouc | 2019/10/16 11:25 | David Poljak v Dominik Recek | 6-3,6-1 |
| ITF M25 Tavira | 2019/10/02 10:40 | David Poljak v Eduardo Struvay | 3-6,2-6 |
| ITF M25 Oliveira De Azemeis | 2019/09/27 11:40 | David Poljak v Matteo Martineau | 7-6,1-6,3-6 |
| ITF M25 Oliveira De Azemeis | 2019/09/26 11:50 | Quentin Robert v David Poljak | 3-6,0-6 |
| Challenger Istanbul | 2019/09/13 09:00 | Botic Van De Zandschulp v David Poljak | 6-3,6-2 |
| Challenger Istanbul | 2019/09/12 07:00 | David Poljak v Matteo Viola | 6-7,6-4,6-4 |