Stadium: Court 1 Round: 14 Ground: Clay
| Challenger Prostejov | 2021/06/13 09:00 | David Poljak v Sem Verbeek | 6-3,6-3 |
| 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 Monastir | 2021/06/10 12:15 | Moez Echargui v Juan Bautista Torres | 7-6,2-6,4-6 |
| ITF M15 Monastir | 2021/06/08 11:20 | Tiago Cacao v Moez Echargui | 3-6,4-6 |
| ITF M15 Monastir | 2021/05/27 10:25 | Lukas Neumayer v Moez Echargui | 6-3,4-6,6-4 |
| ITF M15 Monastir | 2021/05/26 09:30 | Moez Echargui v Yusuke Takahashi | 7-6,0-6,7-6 |
| ITF M15 Monastir | 2021/05/18 10:35 | Moez Echargui v Michel Vernier | 6-4,6-4 |
| ITF M15 Monastir | 2021/02/25 10:55 | Alexis Gautier v Moez Echargui | 6-3,3-6,6-3 |
| ITF M15 Monastir | 2021/02/10 10:45 | Ryota Tanuma v Moez Echargui | 6-7,6-7 |
| ITF M15 Monastir | 2021/02/06 08:30 | Moez Echargui v Stuart Parker | 6-4,1-6,3-6 |