Stadium: Court 3 Round: 44 Ground: Clay
| ITF M25 Vogau | 2020/08/17 11:30 | Igor Sijsling v Matic Spec | 6-4,6-4 |
| ITF M25 Vogau | 2020/08/16 12:00 | Igor Sijsling v Jakob Aichhorn | 6-1,6-1 |
| Tennis Point Exhibition Series | 2020/07/18 13:15 | Igor Sijsling v Daniel Vishnick | 6-0,6-2 |
| Tennis Point Exhibition Series | 2020/07/17 17:00 | Igor Sijsling v Florian Broska | 6-4,5-7,6-3 |
| ITF M25 Sunderland | 2020/03/01 12:40 | Jack Draper v Igor Sijsling | 6-2,6-0 |
| ITF M25 Sunderland | 2020/02/29 10:25 | Igor Sijsling v Jesper De Jong | 6-2,1-6,6-2 |
| ITF M25 Sunderland | 2020/02/28 10:00 | Mark Whitehouse v Igor Sijsling | 5-7,5-7 |
| ITF M25 Sunderland | 2020/02/27 10:00 | Aidan Mchugh v Igor Sijsling | 2-6,5-7 |
| ITF M25 Vogau | 2020/08/16 12:00 | Kris Krawcewicz v Lenny Hampel | 3-6,1-6 |
| Austrian Tennis Championship | 2020/07/28 14:05 | Lenny Hampel v Lukas Krainer | 7-6,4-6,6-3 |
| Austrian Tennis Championship | 2020/07/27 14:00 | Lenny Hampel v Sandro Kopp | 4-6,6-7 |
| Austrian Tennis Championship | 2020/07/22 14:00 | Lucas Miedler v Lenny Hampel | 6-3,6-1 |
| Austrian Tennis Championship | 2020/07/16 10:55 | Sandro Kopp v Lenny Hampel | 6-3,7-5 |
| Austrian OTV Series | 2020/07/16 07:00 | Lenny Hampel v Moritz Thiem | 6-1,6-0 |
| Austrian OTV Series | 2020/07/15 10:00 | Hans Peter Kaufmann v Lenny Hampel | 4-6,2-6 |
| Austrian Tennis Championship | 2020/07/14 11:30 | Lenny Hampel v Michael Gloeckler | 6-3,6-2 |