Stadium: Court 6 Round: 62 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2023/05/28 08:00 | Luca Wiedenmann v Przemyslaw Michocki | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2023/05/26 09:00 | Luca Wiedenmann v Tim Handel | 3-6,3-6 |
| ITF M15 Warmbad-Villach | 2023/05/25 13:30 | Luca Wiedenmann v Max Hans Rehberg | 7-5,6-3 |
| ITF M15 Warmbad-Villach | 2023/05/25 09:20 | Luca Wiedenmann v Bor Artnak | 6-4,7-6 |
| ITF M15 Warmbad-Villach | 2023/05/22 14:35 | Sandro Kopp v Luca Wiedenmann | 3-6,6-7 |
| ITF M15 Meerbusch | 2023/04/24 12:00 | Luca Wiedenmann v Matyas Cerny | 4-6,4-6 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Luca Wiedenmann v Peter Goldsteiner | 6-0,6-7,10-2 |
| ITF M15 Monastir | 2023/04/05 10:45 | Benjamin Pietri v Luca Wiedenmann | 1-6,7-5,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 08:00 | Mark Wallner v Maurus Malgiaritta | 6-1,6-0 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Jakob Schnaitter v Mark Wallner | 6-3,6-0 |
| ITF M25 Prague | 2023/05/18 09:00 | Mark Wallner v Patrik Rikl | 2-6,2-6 |
| ITF M25 Prague | 2023/05/16 08:00 | Mark Wallner v Lukas Velik | 6-2,6-3 |
| ITF M25 Prague | 2023/05/15 11:00 | Mark Wallner v Eduard Silviu Schipor | 6-0,6-0 |
| ITF M25 Prague | 2023/05/14 11:00 | Daniel Paty v Mark Wallner | 6-2,1-6,8-10 |
| ITF M15 Monastir | 2023/04/10 08:00 | Max Wiskandt v Mark Wallner | 6-3,6-3 |
| ITF M15 Monastir | 2023/04/09 10:00 | Mark Wallner v Dean Cooper Kirby | 6-2,6-3 |