Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Italy F34 | 2016/10/18 08:30 | Alexander Weis v Omar Giacalone | 1-6,3-6 |
| ITF M15 Platja D'Aro | 2021/10/05 10:45 | Alexander Weis v Daniel Merida Aguilar | 4-6,3-6 |
| Challenger Murcia | 2021/09/26 13:30 | Corentin Denolly v Alexander Weis | 4-6,6-1,6-4 |
| ITF M25 Pardubice | 2021/09/25 09:40 | Henri Squire v Alexander Weis | 6-4,6-1 |
| ITF M25 Pardubice | 2021/09/23 10:30 | Alexander Weis v Toby Martin | 6-7,6-3,6-2 |
| ITF M25 Pardubice | 2021/09/22 08:00 | Alexander Weis v Mikalai Haliak | 7-6,6-4 |
| Challenger Banja Luka | 2021/09/05 11:05 | Dragos Nicolae Madaras v Alexander Weis | 6-3,6-0 |
| ITF M25 Sierre | 2021/09/01 11:35 | Yannik Steinegger v Alexander Weis | 6-7,7-6,6-3 |
| ITF M25 Caslano | 2021/08/27 12:35 | Alexander Weis v Calvin Hemery | 2-6,4-6 |
| ITF M25 Budapest | 2021/09/29 07:30 | Filip Duda v Omar Giacalone | 6-1,6-3 |
| ITF M25 Pardubice | 2021/09/23 07:30 | Omar Giacalone v Luca Nardi | 2-6,6-7 |
| ITF M25 Madrid | 2021/09/17 08:00 | Carlos Lopez Montagud v Omar Giacalone | 7-6,0-6,7-6 |
| ITF M25 Madrid | 2021/09/16 07:55 | Omar Giacalone v Carlos Sanchez Jover | 6-3,6-4 |
| ITF M25 Madrid | 2021/09/15 11:45 | Pedro Rodenas v Omar Giacalone | 2-6,5-7 |
| ITF M15 Bad Waltersdorf | 2021/09/04 10:20 | Matic Spec v Omar Giacalone | 2-6,6-3,6-3 |
| ITF M15 Bad Waltersdorf | 2021/09/03 10:00 | Omar Giacalone v Lukas Neumayer | 6-3,7-6 |
| ITF M15 Bad Waltersdorf | 2021/09/02 10:50 | Filip Misolic v Omar Giacalone | 6-4,4-6,4-6 |