Stadium: MTA 05 Round: 25 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/06/21 10:15 | David Prasievi v Gorazd Srbljak | 1-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/06/13 14:50 | David Prasievi v Felix Gill | 2-6,0-6 |
| ITF M25 Kursumlijska Banja | 2023/06/05 15:25 | Petr Bar Biryukov v David Prasievi | 6-2,6-3 |
| ITF M25 Kursumlijska Banja | 2023/06/04 11:15 | Daniil Golubev v David Prasievi | 4-6,7-6,7-10 |
| ITF M15 Kursumlijska Banja | 2023/05/31 08:50 | Luka Pavlovic v David Prasievi | 6-2,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/23 11:05 | Pawel Juszczak v David Prasievi | 6-1,6-1 |
| ITF M25 Kursumlijska Banja | 2023/05/14 10:30 | Dimitrije Kocic v David Prasievi | 6-4,6-1 |
| Czech Republic Extraliga | 2023/12/18 10:00 | Peter Heller v Matyas Cerny | 7-6,6-7,3-6 |
| ITF M25 Heraklion | 2023/11/09 07:30 | Vladyslav Orlov v Peter Heller | 6-4,6-3 |
| ITF M25 Heraklion | 2023/11/02 08:00 | Peter Heller v Enrico Dalla Valle | 3-6,3-6 |
| ITF M25 Heraklion | 2023/11/01 06:50 | Peter Heller v Alexandros Skorilas | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2023/10/04 09:45 | Jan Kupcic v Peter Heller | 6-3,6-4 |
| ITF M25 Sabadell | 2023/09/26 10:20 | Imanol L Morillo v Peter Heller | 7-6,2-6,6-4 |
| ITF M25 Madrid | 2023/09/17 11:00 | Aidan Mchugh v Peter Heller | 6-4,7-5 |
| ITF M25 Madrid | 2023/09/16 07:55 | Miguel Damas v Peter Heller | 6-2,6-7,5-7 |