Stadium: Court 5 Round: 54 Ground: Clay
| ITF M15 Bad Waltersdorf | 2023/10/01 09:00 | Manuel Plunger v Zund, Serafin | 2-6,6-3,4-10 |
| ITF M15 Arad | 2023/09/26 11:15 | Filip Cristian Jianu v Zund, Serafin | 6-4,6-1 |
| ITF M15 Arad | 2023/09/25 07:00 | Zund, Serafin v Nadaf, Hamid Reza | 4-6,6-2,10-5 |
| ITF M15 Arad | 2023/09/24 07:00 | Zund, Serafin v Andrei Cuceu | 6-2,6-2 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/06 13:35 | Juan Bautista Torres v Zund, Serafin | 6-1,6-2 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/05 09:45 | Niklas Waldner v Zund, Serafin | 6-7,2-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/04 11:00 | Zund, Serafin v Aljaz Jeran | 6-4,7-6 |
| ITF M25 Maribor Qual | 2023/09/03 12:55 | Zund, Serafin v Vito Horvat | 6-3,6-3 |
| ITF M15 Arad | 2023/09/26 13:55 | Radovan Michalik v Federico Campana | 3-6,3-6 |
| ITF M15 Arad | 2023/09/25 07:00 | Radovan Michalik v Postay, Alan | 6-3,6-4 |
| ITF M15 Arad | 2023/09/24 07:00 | Radovan Michalik v Dominic Ducariu | 4-6,6-4,10-8 |
| ITF - M15 Kursumlijska Banja | 2023/09/18 09:30 | Radovan Michalik v Shendrit Deari | 6-4,2-6,10-12 |
| ITF M15 Satu Mare | 2023/09/13 07:00 | Pietro Marino v Radovan Michalik | 5-7,6-2,6-2 |
| ITF M15 Satu Mare | 2023/09/12 09:35 | Radovan Michalik v Andrei Cuceu | 6-1,7-6 |
| ITF M15 Szczawno | 2023/08/28 15:00 | Radovan Michalik v Alan Bojarski | 4-6,4-6 |
| ITF M15 Szczawno | 2023/08/28 10:00 | Radovan Michalik v Marcel Politowicz | 6-1,6-0 |