| WTT Feeder Varazdin | 04/04 16:20 | 6 | Borna Petek v Eduard Ionescu | L | 0-3 | |
| WTT Feeder Varazdin Quals | 04/03 14:30 | - | Borna Petek v Mohammad Mousavi | W | 3-2 | |
| WTT Feeder Varazdin Quals | 04/03 12:35 | - | Borna Petek v Daniele Pinto | W | 3-0 | |
| WTT Feeder Varazdin Quals | 04/03 08:35 | - | Maciej Kolodziejczyk v Borna Petek | W | 0-3 | |
| WTT Feeder Otocec Quals | 03/27 09:25 | 6 | Borna Petek v Minhyeok Kim | L | 0-3 | |
| Oman Open U21 Women | 01/26 12:30 | - | Borna Petek v Balazs Lei | L | 0-3 | |
| Oman Open U21 Women | 01/25 16:20 | - | Hugo Deschamps v Borna Petek | L | 4-0 | |
| European Youth Champs Singles | 07/22 10:15 | - | Borna Petek v Thibault Poret | L | 0-4 | |
| Euro Youth Champs Teams | 07/14 11:53 | - | Andre Bertelsmeier v Borna Petek | L | 3-2 | |
| WTT Contender Zagreb Quals | 06/27 10:00 | - | Ganghyeon Park v Borna Petek | L | 3-0 | |
| Oman Open U21 Women | 04/05 18:15 | - | Borna Petek v Ondrej Kveton | L | 0-4 | |
| Oman Open U21 Women | 09/14 08:15 | - | Borna Petek v Andrii Grebeniuk | L | 0-4 |