| ITF M25 Santa Margherita | 04/10 14:00 | 25 | Alexander Weis v Fabrizio Andaloro | 6-3,6-4 | |
| Challenger Barletta | 04/02 12:55 | 14 | Stefano Napolitano v Alexander Weis | Retired | |
| Challenger Girona | 03/26 08:30 | 14 | [352] Alexander Weis v Abdullah Shelbayh [281] | 7-6,3-6,6-7 | |
| ITF M25 Palmanova | 03/24 11:40 | 27 | [236] Hernan Casanova v Alexander Weis [352] | 3-6,6-1,6-4 | |
| ITF M25 Palmanova | 03/23 13:30 | 26 | [494] Felix Gill v Alexander Weis [352] | 5-7,0-6 | |
| ITF M25 Palmanova | 03/22 08:00 | 25 | Jaime Caldes v Alexander Weis | 3-6,6-2,2-6 | |
| ITF M25 Palmanova | 03/14 12:00 | 25 | [457] Kyrian Jacquet v Alexander Weis [357] | 7-6,6-7,7-6 | |
| Challenger Antalya | 03/06 09:55 | 19 | [468] Mirza Basic v Alexander Weis [357] | 6-2,6-1 | |
| Challenger Antalya | 03/05 09:45 | 14 | Egor Khotchenkov v Alexander Weis | 1-6,1-6 | |
| ITF M15 Antalya | 03/04 07:25 | 28 | [498] Arthur Reymond v Alexander Weis [352] | 6-3,4-6,7-5 | |
| ITF M15 Antalya | 03/03 07:00 | 27 | Alexander Weis v Dominik Kellovsky | 6-4,6-1 | |
| ITF M15 Antalya | 03/02 06:50 | 26 | Alexander Weis v Luca Tomasetto | 6-4,3-6,6-0 | |
| ITF M15 Antalya | 02/28 10:55 | 25 | [352] Alexander Weis v Peter Heller [435] | 4-6,6-3,7-5 | |
| Challenger Rovereto | 02/19 18:20 | 14 | [485] Federico Arnaboldi v Alexander Weis [351] | 6-3,6-4 | |
| Challenger Cherbourg | 02/12 15:10 | 14 | Antoine Ghibaudo v Alexander Weis | 6-3,6-4 | |
| Challenger Tenerife - Qual. | 02/05 11:10 | 14 | Daniel Merida v Alexander Weis | 6-2,3-6,6-2 | |
| Challenger Tenerife | 01/29 10:00 | 14 | [348] Alexander Weis v Gian Marco Moroni [315] | 3-6,4-6 | |
| Challenger Tigre | 01/09 16:30 | 25 | [347] Alexander Weis v Timo Stodder [280] | Retired | |
| Challenger Tigre | 01/04 14:05 | 25 | [419] Carlos Sanchez Jover v Alexander Weis [351] | 6-4,6-2 | |
| ITF M15 Antalya | 11/27 09:40 | 29 | [453] Alex M Pujolras v Alexander Weis [406] | 4-6,0-6 | |
| ITF M15 Antalya | 11/26 13:40 | 28 | Alexander Weis v Jorge Martinez Martinez | 6-4,7-6 | |
| ITF M15 Antalya | 11/26 08:55 | 27 | [430] Ilya Snitari v Alexander Weis [406] | 6-4,6-7,3-6 | |
| ITF M15 Antalya | 11/25 06:30 | 26 | [427] Ryan Nijboer v Alexander Weis [406] | 6-7,3-6 | |
| ITF M15 Antalya | 11/23 08:35 | 25 | Rafael Giotis v Alexander Weis | 0-6,3-6 | |
| ITF M15 Antalya | 11/20 07:00 | 29 | [407] Alexander Weis v Timo Stodder [319] | 6-4,6-4 | |
| ITF M15 Antalya | 11/19 07:00 | 28 | [247] Daniel Michalski v Alexander Weis [407] | 0-6,3-6 | |
| ITF M15 Antalya | 11/18 07:00 | 27 | Alexander Weis v Rrezart Cungu | 7-5,3-6,6-2 | |
| ITF M15 Antalya | 11/17 06:30 | 26 | Alexander Weis v Matthias Ujvary | 6-1,6-2 | |
| ITF M15 Antalya | 11/15 10:00 | 25 | Alexander Weis v Mert Alkaya | 6-2,7-5 | |
| ITF M15 Antalya | 10/30 07:30 | 29 | Maxime Chazal v Alexander Weis | 4-6,4-6 |