Stadium: Court 3 Round: 25 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 M25 Angers | 2021/04/22 16:20 | Timo Legout v Maxime Hamou | 4-6,6-7 |
| ITF M25 Angers | 2021/04/20 08:00 | Timo Legout v Jurgen Briand | 7-6,4-6,6-0 |
| ITF M25 Reus | 2021/04/12 07:30 | Diego A B Sanchez v Timo Legout | 6-2,6-4 |
| ITF M25 Reus | 2021/04/11 07:00 | Lluc Mir Anglada v Timo Legout | 2-6,0-6 |
| ITF M15 Opatija | 2021/03/25 12:15 | Pietro Rondoni v Timo Legout | 6-1,3-6,6-2 |
| ITF M15 Opatija | 2021/03/24 09:00 | Timo Legout v Enrico Dalla Valle | 6-3,2-6,6-1 |
| ITF M15 Rovinj | 2021/03/19 10:00 | Timo Legout v Francesco Passaro | 6-4,3-6,2-6 |
| ITF M15 Rovinj | 2021/03/18 09:00 | Ivan Nedelko v Timo Legout | 6-4,4-6,3-6 |