Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Ulcinj | 2021/09/07 10:10 | Oleksandr Ovcharenko v Duje Kekez | 6-1,4-6,6-4 |
| ITF M15 Ulcinj | 2021/09/01 10:00 | Aristotelis Thanos v Duje Kekez | 2-6,7-6,6-0 |
| ITF M15 Novi Sad | 2021/08/03 12:40 | Pedro Boscardin Dias v Duje Kekez | 7-6,6-3 |
| ITF M15 Novi Sad | 2021/07/29 12:40 | Duje Kekez v Filip Misolic | 4-6,0-6 |
| ITF M15 Novi Sad | 2021/07/28 07:25 | Wilson Leite v Duje Kekez | 2-6,3-6 |
| ITF M15 Doboj | 2021/07/15 10:40 | Andrej Nedic v Duje Kekez | 0-6,2-6 |
| ITF M15 Doboj | 2021/07/14 08:30 | Duje Kekez v Aldin Setkic | 7-5,7-6 |
| ITF M25 Velenje | 2021/07/07 08:00 | Toby Alex Kodat v Duje Kekez | 3-6,6-1,7-5 |
| ITF M25 Uriage | 2021/07/15 14:00 | Timo Legout v Calvin Hemery | 6-1,2-6,1-6 |
| ITF M25 Uriage | 2021/07/14 13:40 | Timo Legout v Mirko Martinez | 6-3,6-7,6-4 |
| ITF M15 Sofia | 2021/07/08 10:15 | Timo Legout v Alexander Weis | 4-6,7-6,4-6 |
| ITF M15 Sofia | 2021/07/07 07:00 | Timo Legout v Denislav Prodanov | 6-0,7-6 |
| ITF M15 Skopje | 2021/06/03 07:55 | Timo Legout v Nicholas David Ionel | 2-6,4-6 |
| ITF M15 Skopje | 2021/06/02 09:45 | Timo Legout v Gorazd Srbljak | 7-5,6-0 |
| French Open | 2021/05/25 16:30 | Timo Legout v Evan Furness | 2-6,1-6 |
| ITF M15 Sibenik | 2021/05/23 09:00 | Hernan Casanova v Timo Legout | 4-6,6-0,2-6 |