Stadium: Court 11 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Bali | 2024/09/15 05:00 | Kevin Portmann v Jack Bruce-Smith | 0-6,1-6 |
| ITF M25 Bali | 2024/09/08 03:30 | Felix Mischker v Kevin Portmann | 6-1,6-3 |
| ITF M15 Bali | 2024/08/25 04:30 | Kevin Portmann v Dharmil Shah | 5-7,0-6 |
| ITF M15 Monastir | 2024/07/21 08:00 | Federico Garbero v Kevin Portmann | 6-0,6-0 |
| ITF M15 Sharm El Sheikh | 2024/01/29 10:30 | Matthew Summers v Kevin Portmann | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/22 11:00 | Yi Ke Li v Kevin Portmann | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/15 10:30 | Kevin Portmann v Theertha Shashank Macherla | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/09/24 07:00 | Kevin Portmann v Erwin Troebinger | 4-6,1-6 |
| ITF M25 Sintra | 2024/10/08 10:00 | Noah Lopez v Lars Aregger | 6-3,7-6 |
| ITF M25 Sintra | 2024/10/06 09:00 | Miguel Pereira Lopes v Lars Aregger | 7-5,3-6,5-10 |
| ITF M25 Pardubice | 2024/09/16 13:00 | Lars Aregger v Yvo Panak | 6-3,6-2 |
| ITF M15 Vienna | 2024/08/27 08:00 | Leyton Rivera v Lars Aregger | 6-3,7-5 |
| ITF M15 Vienna | 2024/08/26 08:00 | Lars Aregger v Sebastian Pino | 7-5,6-4 |
| ITF M15 Kottingbrunn | 2024/08/19 09:00 | Lars Aregger v Niklas Waldner | 0-6,4-6 |
| ITF M15 Kottingbrunn | 2024/08/18 10:30 | Benedikt Szerencsits v Lars Aregger | 7-6,3-6,8-10 |
| ITF M25 Muttenz | 2024/08/12 08:00 | Luca Parenti v Lars Aregger | 6-4,6-4 |