Stadium: Court 2 Round: 14 Ground: Clay
| ITF Czech Republic F2 | 2015/05/21 08:00 | Vaclav Safranek v David Poljak | 6-4,7-5 |
| ITF M15 Monastir | 2021/05/25 08:30 | David Poljak v Naoki Nakagawa | 6-7,7-6,1-6 |
| ITF M15 Monastir | 2021/05/20 08:25 | David Poljak v Jeremy Beale | 6-7,1-6 |
| ITF M15 Monastir | 2021/05/18 10:20 | David Poljak v Louis Tessa | 7-6,6-4 |
| Challenger Salinas 2 | 2021/04/27 14:30 | Gonzalo Villanueva v David Poljak | 5-7,7-6,7-6 |
| Challenger Salinas 2 | 2021/04/26 18:35 | Miguel M Larrea v David Poljak | 3-6,0-6 |
| Challenger Salinas | 2021/04/18 15:00 | Tak Khunn Wang v David Poljak | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/04/10 07:30 | Mukund Sasikumar v David Poljak | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/04/09 07:30 | David Poljak v Luke Johnson | 6-3,1-6,6-3 |
| ITF M25 Prague | 2021/05/11 08:00 | Vaclav Safranek v Jakub Beran | 6-2,6-2 |
| ITF M25 Prague | 2021/05/10 08:00 | Vaclav Safranek v Kristof Minarik | 6-2,6-1 |
| ITF M25 Prague | 2021/05/09 08:30 | Vaclav Safranek v Jeremy Schifris | 6-1,6-0 |
| Challenger Lille | 2021/03/22 16:00 | Gregoire Barrere v Vaclav Safranek | 6-4,6-7,6-0 |
| ITF M15 Porec | 2021/03/10 09:00 | Alexandar Lazarov v Vaclav Safranek | 7-5,6-4 |
| ATP Rotterdam | 2021/02/27 10:00 | Vaclav Safranek v Pierre-Hugues Herbert | 6-7,2-6 |
| Challenger Potchefstroom Qual | 2021/02/14 10:10 | Benjamin Lock v Vaclav Safranek | 7-6,6-4 |
| Challenger Potchefstroom | 2021/02/08 09:30 | Liam Broady v Vaclav Safranek | 6-3,6-2 |