Stadium: Cancha 4 Round: 14 Ground: Hardcourt outdoor
| Challenger Istanbul | 2018/09/10 07:30 | David Poljak v Tak Khunn Wang | 6-4,6-7,3-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Tak Khunn Wang v Peter Heller | 1-6,3-6 |
| ITF M25 Meerbusch | 2021/04/13 13:30 | Tak Khunn Wang v Marvin Moeller | 6-4,6-3 |
| Challenger Split | 2021/04/04 10:30 | Akira Santillan v Tak Khunn Wang | 4-6,6-1,7-6 |
| Challenger Lille | 2021/03/22 10:00 | Matteo Martineau v Tak Khunn Wang | 7-5,7-5 |
| Challenger Lille | 2021/03/21 11:15 | Tak Khunn Wang v Antoine Escoffier | 5-7,6-4,6-4 |
| ITF M25 Vale Do Lobo | 2021/03/13 13:20 | Sebastian Fanselow v Tak Khunn Wang | 6-1,6-3 |
| ITF M25 Vale Do Lobo | 2021/03/12 12:30 | Tak Khunn Wang v Francisco Cabral | 6-2,6-2 |
| ITF M25 Vale Do Lobo | 2021/03/11 10:25 | Antoine Escoffier v Tak Khunn Wang | 6-7,4-6 |
| 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 M15 Sharm El Sheikh | 2021/04/08 07:30 | David Poljak v Mattia Bellucci | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/04/07 08:30 | David Poljak v Lukas Pokorny | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/04/02 07:30 | Ryan Nijboer v David Poljak | 6-2,2-6,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/31 11:15 | Lorenzo Claverie v David Poljak | 1-6,6-2,2-6 |
| ITF M15 Sharm El Sheikh | 2021/03/26 08:50 | David Poljak v Yu Hsiou Hsu | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/03/25 09:50 | David Poljak v Paul Jubb | 6-3,6-2 |