stadio: Court 5 Round: 25 Ground: Clay
| Challenger Bad Waltersdorf | 2023/09/17 08:00 | Henri Squire v David Pichler | 6-7,6-3,6-4 |
| Challenger Tulln | 2023/09/04 10:50 | Daniel Masur v David Pichler | 6-2,6-7,6-4 |
| Challenger Tulln | 2023/09/03 11:40 | David Pichler v Kirill Kivattsev | 7-6,4-6,6-3 |
| ITF M25 Maribor | 2023/08/31 13:15 | Michael Vrbensky v David Pichler | 6-3,7-6 |
| ITF M25 Maribor | 2023/08/31 10:10 | Bor Artnak v David Pichler | 1-6,4-6 |
| Challenger Augsburg | 2023/08/22 14:55 | Steven Diez v David Pichler | 6-3,6-7,6-1 |
| Challenger Augsburg | 2023/08/21 09:50 | Henrique Rocha v David Pichler | 6-7,3-6 |
| Challenger Augsburg | 2023/08/20 14:00 | Vadym Ursu v David Pichler | 0-6,6-4,5-7 |
| ITF M25 Zlatibor | 2023/09/27 14:30 | Petr Bar Biryukov v Renlong Pang | 6-3,6-1 |
| ITF M25 Zlatibor | 2023/09/27 11:00 | Petr Bar Biryukov v Simon Norrman | 6-4,7-6 |
| ITF M15 Pirot | 2023/09/06 07:30 | Petr Bar Biryukov v Dusan Obradovic | 6-7,4-6 |
| ITF M15 Kursumlijska Banja | 2023/08/30 11:35 | Petr Bar Biryukov v Nicolo Pozzani | 4-6,3-6 |
| ITF M15 Belgrado | 2023/06/25 07:00 | Petr Bar Biryukov v Maxence Rivet | 6-4,3-6,5-10 |
| ITF M15 Kursumlijska Banja | 2023/06/19 08:55 | Petr Bar Biryukov v Louis Tessa | 2-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/06/18 11:00 | Petr Bar Biryukov v Darko Kolevski | 6-1,6-1 |
| ITF M15 Kursumlijska Banja | 2023/06/17 17:15 | Viktor Jovic v Petr Bar Biryukov | 3-6,7-5,6-4 |