Stadium: Court 1 Round: 27 Ground: Clay
| ITF M15 Bad Waltersdorf | 2023/10/05 07:30 | Lorenzo Bocchi v Jan Kobierski | 2-6,0-6 |
| ITF M15 Bad Waltersdorf | 2023/10/03 08:40 | Nicolas Buitrago v Jan Kobierski | 5-7,6-7 |
| Challenger Bad Waltersdorf | 2023/09/17 09:50 | Jan Kobierski v Andrea Picchione | 3-6,3-6 |
| ITF M15 Viin | 2023/08/31 11:40 | Gerald Melzer v Jan Kobierski | 6-2,6-1 |
| ITF M15 Viin | 2023/08/30 09:35 | Jan Kobierski v Toby Martin | 7-5,6-2 |
| ITF M15 Kottingbrunn | 2023/08/16 08:00 | Gabriele Bosio v Jan Kobierski | 6-3,3-6,6-4 |
| ITF M15 Xàtiva | 2023/07/31 07:00 | Nil Regas Luis v Jan Kobierski | 6-1,6-1 |
| ITF M15 Xàtiva | 2023/07/30 15:00 | Jan Kobierski v Axel Herberg Amoros | 7-5,6-1 |
| ITF M15 Bad Waltersdorf | 2023/10/05 07:30 | Kai Lemstra v Vlad Andrei Dancu | 1-6,1-6 |
| ITF M15 Bad Waltersdorf | 2023/10/04 07:30 | Matic Dimic v Vlad Andrei Dancu | 6-7,0-6 |
| ITF M15 Arad | 2023/09/30 08:00 | Jakub Nicod v Vlad Andrei Dancu | 6-4,6-7,6-4 |
| ITF M15 Arad | 2023/09/29 08:55 | Vlad Andrei Dancu v Juan Pablo Paz | 7-6,6-2 |
| ITF M15 Arad | 2023/09/28 08:00 | Vlad Andrei Dancu v Denis Klok | 6-4,6-4 |
| ITF M15 Arad | 2023/09/27 09:25 | Vlad Andrei Dancu v Stefan A Andreescu | 4-6,7-6,6-2 |
| ITF M15 Arad | 2023/09/26 06:30 | Vlad Andrei Dancu v Lucio Carnevalle | 6-3,6-4 |
| Challenger - Sibiu | 2023/09/19 09:15 | Vlad Andrei Dancu v Nerman Fatic | 4-6,4-6 |