Stadium: Court 4 Round: 28 Ground: Clay
| ITF M15 Šibenik | 2021/04/23 08:00 | Lorenzo Bocchi v David Pichler | 3-6,1-6 |
| ITF M15 Šibenik | 2021/04/22 08:00 | Christian Sigsgaard v David Pichler | 2-6,5-7 |
| ITF M15 Šibenik | 2021/04/20 12:15 | Martin Breysach v David Pichler | 2-6,1-6 |
| ITF M25 Meerbusch | 2021/04/17 11:00 | Arthur Cazaux v David Pichler | 6-4,6-4 |
| ITF M25 Meerbusch | 2021/04/16 13:00 | David Pichler v Tim Handel | 6-4,6-4 |
| ITF M25 Meerbusch | 2021/04/13 09:30 | David Pichler v John Sperle | 6-0,6-2 |
| ITF M25 Meerbusch | 2021/04/12 09:30 | David Pichler v Jing L Weng | 6-2,6-1 |
| ITF M25 Meerbusch | 2021/04/11 14:30 | David Pichler v Nikolas Walterscheid-Tukic | 6-1,6-1 |
| ITF M15 Šibenik | 2021/04/23 09:40 | Mili Poljicak v Duje Kekez | 4-6,2-6 |
| ITF M15 Šibenik | 2021/04/22 08:00 | Francesco Vilardo v Duje Kekez | 3-6,3-6 |
| ITF M15 Šibenik | 2021/04/21 10:30 | Duje Kekez v Alexis Gautier | 6-4,7-6 |
| Challenger Split | 2021/04/13 11:30 | Duje Kekez v Aleksandar Vukic | 2-6,6-7 |
| Challenger Zadar | 2021/03/21 11:05 | Duje Kekez v Skander Mansouri | 6-7,4-6 |
| ITF M15 Rovinj | 2021/03/15 11:30 | Francesco Passaro v Duje Kekez | 6-2,6-4 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Matic Spec v Duje Kekez | 3-6,4-6 |
| ITF - M15 Porec | 2021/03/09 08:55 | Sebastian Prechtel v Duje Kekez | 6-3,4-6,10-6 |