Stadium: Court 3 Round: 62 Ground: Clay
| 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 |
| ITF M15 Monastir | 2023/04/03 15:00 | Mark Wallner v Jake Van Emburgh | 4-6,3-6 |
| ITF M15 Warmbad-Villach | 2023/05/21 08:00 | Philip Florig v Maurus Malgiaritta | 6-3,6-4 |
| ITF M15 Antalya | 2023/04/30 07:00 | Jasza Szajrych v Maurus Malgiaritta | 6-3,4-6,10-8 |
| ITF M15 Antalya | 2023/04/25 11:50 | Maurus Malgiaritta v Peter Benjamin Privara | 4-6,3-6 |
| ITF M15 Monastir | 2023/04/06 08:30 | Massimo Giunta v Maurus Malgiaritta | 7-6,4-6,6-4 |
| ITF M15 Monastir | 2023/04/05 11:25 | Maurus Malgiaritta v Axel Garcian | 7-6,6-7,6-1 |
| ITF M15 Monastir | 2023/04/04 13:30 | Jake Van Emburgh v Maurus Malgiaritta | 3-6,6-7 |
| ITF M15 Monastir | 2023/04/04 08:30 | Maurus Malgiaritta v Matteo De Vincentis | 6-4,6-4 |
| ITF M15 Monastir | 2023/04/03 15:00 | Maurus Malgiaritta v Yuchen Pan | 6-2,7-6 |