Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Celje | 2023/06/27 07:00 | Gian Marco Ortenzi v Mark Wallner | 6-4,6-4 |
| ITF M15 Celje | 2023/06/26 11:40 | Mark Wallner v Alexander Klintcharov | 6-2,7-6 |
| ITF M15 Litija | 2023/06/12 07:00 | Corey Gaal v Mark Wallner | 3-6,6-3,12-10 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 08:00 | Luca Wiedenmann v Mark Wallner | 6-4,6-3 |
| 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 Bourg-en-Bresse | 2023/06/26 10:55 | Gian Luca Tanner v Raphael Vaksmann | 6-3,6-1 |
| ITF M25 Bourg-en-Bresse | 2023/06/25 10:15 | Raphael Vaksmann v Artiom Dorofeev | 6-3,6-2 |
| ITF M25 Saint Dizier | 2023/03/26 08:00 | Hugo Pontico v Raphael Vaksmann | 6-3,6-4 |
| ITF M25 Toulouse | 2023/03/20 16:30 | Lewie Lane v Raphael Vaksmann | 7-6,6-1 |
| ITF M15 Poitiers | 2023/03/12 13:00 | Raphael Vaksmann v Gregoire Gervail | 7-6,6-3 |
| ITF M15 Grenoble | 2023/02/05 09:50 | Raphael Vaksmann v Jules Leroux | 6-3,3-6,7-10 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/23 16:05 | Antoine Vincent v Raphael Vaksmann | 6-3,6-2 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/22 13:35 | Raphael Vaksmann v Alberto Morolli | 6-2,6-1 |