Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Sibenik | 2021/04/24 08:00 | David Pichler v Duje Kekez | 6-2,7-6 |
| ITF M15 Sibenik | 2021/04/23 09:40 | Mili Poljicak v Duje Kekez | 4-6,2-6 |
| ITF M15 Sibenik | 2021/04/22 08:00 | Francesco Vilardo v Duje Kekez | 3-6,3-6 |
| ITF M15 Sibenik | 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 Monastir | 2021/04/26 08:00 | Julien Penzlin v Arthur Bouquier | 5-7,6-2,7-10 |
| ITF M15 Monastir | 2021/04/25 09:30 | Daniel O'Neill v Julien Penzlin | 3-6,3-6 |
| ITF M15 Monastir | 2021/03/21 15:00 | Rishab Agarwal v Julien Penzlin | 6-4,6-3 |
| ITF M15 Monastir | 2021/03/15 09:00 | Julien Penzlin v Yanais Laurent | 4-6,6-7 |
| ITF M15 Monastir | 2021/03/14 11:00 | Tim Riedel v Julien Penzlin | 3-6,6-7 |
| Tennis Point Exhibition Series | 2020/07/18 10:25 | Julien Penzlin v Constantin Schmitz | 1-6,0-6 |
| Tennis Point Exhibition Series | 2020/07/17 07:00 | Julien Penzlin v Daniel Vishnick | 3-6,6-2,4-6 |
| Tennis Point Exhibition Series | 2020/07/16 09:20 | Julien Penzlin v Florian Broska | 2-6,2-6 |