| ITF M15 - Ulcinj | 2021/09/22 09:25 | Duje Kekez v Felix Gill | 6-7,6-7 |
| ITF M15 - Ulcinj | 2021/09/15 07:55 | Duje Kekez v Timo Legout | 4-6,4-6 |
| 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 - Vyshkovo | 2021/09/22 11:00 | Romain Faucon v Janos Fekete | 3-6,6-4,6-3 |
| ITF M15 - Vyshkovo | 2021/09/20 07:00 | Riccardo Tavilla v Janos Fekete | 6-4,3-6,7-10 |
| ITF M15 - Vyshkovo | 2021/09/20 06:00 | Cristian Campese v Janos Fekete | 2-6,2-6 |
| UTR Pro Tennis Series Ricany | 2021/09/11 09:00 | Andrey Chepelev v Janos Fekete | 6-3,6-0 |
| UTR Pro Tennis Series Ricany | 2021/09/10 10:30 | Martins Podzus v Janos Fekete | 2-6,2-4 |
| UTR Pro Tennis Series Ricany | 2021/09/07 10:30 | Dominik Kellovsky v Janos Fekete | 0-6,0-5 |
| UTR Pro Tennis Series Ricany | 2021/09/06 07:30 | Janos Fekete v Jiri Jenicek | 4-6,4-5 |
| ITF M15 - Zilina | 2021/08/31 07:30 | Lukas H Lilleengen v Janos Fekete | 6-1,6-1 |