| UTR Pro Copenhagen | 2023/05/31 09:00 | Adam Heinonen v Masato Perera | 5-7,6-0,6-1 |
| UTR Pro Copenhagen | 2023/05/30 06:00 | Marshall Tutu v Adam Heinonen | 4-6,6-3,3-6 |
| UTR Pro Copenhagen | 2023/05/29 09:00 | Cornelius Alexander Shalmi v Adam Heinonen | 1-6,3-6 |
| ITF M15 Kalmar | 2023/05/18 10:20 | Max Dahlin v Adam Heinonen | 6-3,2-6,6-4 |
| ITF M15 Kalmar | 2023/05/17 09:00 | Arslanbek Temirhanov v Adam Heinonen | 6-7,4-6 |
| ITF M25 Varnamo | 2023/05/09 08:15 | Adam Heinonen v Sebastian Eriksson | 6-4,2-6,7-10 |
| ITF M25 Varnamo | 2023/05/08 09:45 | Adam Heinonen v Kiyan Santino Kasemi | 6-1,6-1 |
| ITF M25 Sarreguemines | 2022/10/27 11:40 | Adam Heinonen v Kai Wehnelt | 3-6,4-6 |
| UTR Pro Copenhagen | 2023/05/31 07:30 | Marshall Tutu v Domen Gostincar | 6-4,4-6,6-1 |
| ITF M25 Maribor | 2022/08/28 16:45 | Frane Nincevic v Domen Gostincar | 6-3,6-4 |
| UTR Pro Tennis Series Zadar | 2022/03/05 14:30 | Danilo Raicevic v Domen Gostincar | 6-3,6-0 |
| UTR Pro Tennis Series Zadar | 2022/03/04 09:30 | Domen Gostincar v Deni Zmak | 3-6,0-5 |
| UTR Pro Tennis Series Zadar | 2022/03/03 12:30 | Domen Gostincar v Janos Fekete | 3-6,3-5 |
| UTR Pro Tennis Series Zadar | 2022/03/02 09:00 | Matej Galik v Domen Gostincar | 7-5,6-4 |
| UTR Pro Tennis Series Zadar | 2022/03/01 14:30 | Danilo Petrovic v Domen Gostincar | 6-4,6-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/29 08:00 | Domen Gostincar v Timur Maulenov | 6-4,5-3 |