Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Caslano | 2020/08/31 15:25 | Alexander Weis v Alec Deckers | 6-7,4-6 |
| ITF M15 Alkmaar | 2020/08/25 15:15 | Jacopo Berrettini v Alexander Weis | 7-6,4-6,6-1 |
| ITF M25 Vogau | 2020/08/17 11:30 | Timofey Skatov v Alexander Weis | 7-6,6-3 |
| ITF M25 Vogau | 2020/08/17 09:00 | Vladimir Filip v Alexander Weis | 2-6,4-6 |
| ITF M25 Vogau | 2020/08/16 09:30 | Hans Peter Kaufmann v Alexander Weis | 4-6,1-6 |
| ITF M25 Murcia | 2020/03/05 09:55 | Eduard Esteve Lobato v Alexander Weis | 6-1,6-4 |
| ITF M25 Murcia | 2020/03/03 13:15 | Duje Ajdukovic v Alexander Weis | 5-7,3-6 |
| ITF M15 Paguera | 2020/02/20 09:00 | Alexander Weis v Pedro Vives Marcos | 6-2,3-6,5-7 |
| ITF M15 Curtea de Arges | 2020/09/15 10:05 | Timofey Skatov v Sebastian Gima | 6-1,6-1 |
| ITF M15 Bucharest | 2020/09/09 09:10 | Radu Mihai Papoe v Sebastian Gima | 1-6,6-2,7-6 |
| German Premier League | 2020/08/25 08:00 | Daniil Glinka v Sebastian Gima | 6-3,6-7,6-4 |
| German Premier League | 2020/08/24 13:25 | Altug Celikbilek v Sebastian Gima | 6-0,6-4 |
| German Premier League | 2020/08/21 13:15 | Sebastian Gima v Leopold Zima | 7-6,1-6,6-1 |
| German Premier League | 2020/08/20 13:55 | Paul Valsecchi v Sebastian Gima | 5-7,3-6 |
| German Premier League | 2020/08/19 09:55 | Sebastian Gima v Altug Celikbilek | 0-6,2-6 |
| German Premier League | 2020/08/18 17:30 | Sebastian Gima v Tim Handel | 6-2,6-7,1-6 |