Stadium: Court 1 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 Loule | 2020/03/08 14:00 | Leonardo Civita-Telles v Grigoriy Korobeynikov | 6-2,6-4 |
| ITF M15 Faro | 2020/03/01 13:00 | Marvin Moeller v Grigoriy Korobeynikov | 6-2,6-2 |
| ITF M15 Antalya | 2020/02/11 08:30 | Leyton Rivera v Grigoriy Korobeynikov | 6-0,6-2 |
| ITF M15 Antalya | 2020/02/02 12:30 | Kazuki Shimizu v Grigoriy Korobeynikov | 7-6,6-2 |
| ITF M15 Heraklion | 2019/11/10 07:30 | Martin Dimitrov v Grigoriy Korobeynikov | 6-3,6-4 |
| ITF M15 Castellon | 2019/11/05 10:00 | Grigoriy Korobeynikov v Luis Diego Chavez Villalpando | 6-4,3-6,7-10 |
| ITF M15 Castellon | 2019/11/04 13:30 | Grigoriy Korobeynikov v Filippo Giovannini | 6-2,6-1 |
| ITF M15 Nules | 2019/10/28 08:30 | Juan Ignacio Alcalde v Grigoriy Korobeynikov | 6-3,6-4 |