Estadio: Court 1 Round: 62 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2023/05/29 09:00 | Peter Goldsteiner v Roman Postolka | 6-3,6-3 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 13:00 | Peter Goldsteiner v Stepan Mruzek | 6-0,6-0 |
| ITF M25 Värnamo | 2023/05/09 09:55 | Peter Goldsteiner v Jeiden Saidizand | 4-6,3-6 |
| ITF M25 Värnamo | 2023/05/08 13:35 | Peter Goldsteiner v William Alsterback | 6-0,6-1 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Luca Wiedenmann v Peter Goldsteiner | 6-0,6-7,10-2 |
| ITF M15 Sharm El Sheikh | 2023/02/19 15:30 | Samuil Konov v Peter Goldsteiner | 2-6,3-6 |
| ITF M15 Oberhaching | 2023/02/12 09:00 | Peter Goldsteiner v Alexis Boureau | 5-7,6-4,5-10 |
| ITF M15 Grenoble | 2023/02/05 11:55 | Peter Goldsteiner v Adan Freire Da Silva | 1-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 09:00 | Patrik Oplustil v Jonas P Hartenstein | 3-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 13:00 | Mikolaj Lis v Jonas P Hartenstein | 1-6,2-6 |
| ITF M25 Praga | 2023/05/15 10:45 | Tommy Czaplinski v Jonas P Hartenstein | 2-6,1-6 |
| ITF M15 Orange Park | 2023/05/02 14:00 | Jonas P Hartenstein v Jelani Sarr | 4-6,7-5,2-10 |
| ITF M15 Boca Ratón | 2022/11/15 14:00 | Jonas P Hartenstein v Martin Katz | 5-7,3-6 |
| ITF M15 Boca Ratón | 2022/11/14 14:00 | Jonas P Hartenstein v Liam Puttergill | 6-0,6-1 |
| ITF M15 Tallahassee | 2022/10/27 18:50 | Jonas P Hartenstein v Antoine Cornut-Chauvinc | 1-6,3-6 |
| ITF M15 Tallahassee | 2022/10/26 20:25 | Kyle Kang v Jonas P Hartenstein | 7-6,3-6,6-7 |