Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Harlingen | 2023/10/24 14:00 | Rudy Quan v Elias Sumann | 6-2,4-6,10-6 |
| ITF M15 Vienna | 2023/08/28 08:00 | Elias Sumann v Alessio Tramontin | 6-3,6-1 |
| ITF M15 Vienna | 2023/08/28 08:00 | Lukas Rohseano v Elias Sumann | 2-6,7-5,10-8 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Luka Vuglar v Elias Sumann | 6-4,6-3 |
| ITF M25 Kramsach | 2023/07/23 15:00 | Piotr Kusiewicz v Elias Sumann | 6-3,3-6,10-5 |
| ITF M25 Telfs | 2023/07/17 12:00 | Francesco Ferrari v Elias Sumann | 6-2,6-0 |
| ITF M25 Telfs | 2023/07/17 07:00 | Elias Sumann v Luca Matteo Sobbe | 3-6,7-6,11-9 |
| ITF M15 Santo Domingo | 2022/11/27 14:00 | Manuel Paniagua v Joaquin Bianchi | 0-6,1-6 |