Stadium: Court 5 Round: 25 Ground: Clay
| 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 |
| ITF M15 Porec | 2021/03/08 13:00 | Emilien Voisin v Duje Kekez | 6-4,3-6,8-10 |
| Eastern European Championship | 2020/12/29 14:40 | Marat Deviatiarov v Duje Kekez | 3-6,6-7 |
| Eastern European Championship | 2020/12/28 14:15 | Duje Kekez v Petar Pjevcevic | 7-6,6-2 |
| ITF M25 Biel | 2021/04/02 09:00 | Jiri Lehecka v Alexis Gautier | 7-6,6-7,6-3 |
| ITF M25 Biel | 2021/04/01 12:00 | Alexis Gautier v Evgeny Karlovskiy | 6-4,7-5 |
| ITF M25 Biel | 2021/03/31 10:40 | Mick Veldheer v Alexis Gautier | 4-6,0-6 |
| ITF M25 Biel | 2021/03/30 09:40 | Alexis Gautier v Mika Brunold | 7-6,7-5 |
| ITF M25 Biel | 2021/03/29 11:00 | Alexis Gautier v Federico Iannaccone | 5-7,6-0,10-7 |
| ITF M15 Poitiers | 2021/03/18 11:10 | Jaimee Floyd Angele v Alexis Gautier | 7-5,6-3 |
| ITF M15 Poitiers | 2021/03/16 09:30 | Louis Dussin v Alexis Gautier | 3-6,2-6 |
| ITF M15 Monastir | 2021/02/28 08:30 | Stuart Parker v Alexis Gautier | 3-6,7-5,6-3 |