Stadium: Court 3 Round: 44 Ground: Clay
| 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 Sunderland | 2020/02/25 11:30 | Evan Hoyt v Igor Sijsling | 2-6,5-7 |
| ITF M25 Vogau | 2020/08/16 12:00 | Noah Thurner v Matic Spec | 3-6,4-6 |
| ITF M15 Cancun | 2020/03/11 15:55 | Adam El Mihdawy v Matic Spec | 7-5,4-6,6-3 |
| ITF M15 Cancun | 2020/02/22 14:30 | Gabriel Petit v Matic Spec | 6-2,4-6,7-5 |
| ITF M15 Cancun | 2020/02/21 15:45 | Gilbert S K Junior v Matic Spec | 6-7,1-6 |
| ITF M15 Cancun | 2020/02/20 15:55 | Matic Spec v Alejo Lorenzo Lingua Lavallen | 6-3,6-4 |
| ITF M15 Cancun | 2020/02/19 14:00 | Stefan Leustian v Matic Spec | 5-7,5-7 |
| ITF M15 Cancun | 2020/02/18 14:00 | Matic Spec v Herbert Jody Maginley | 6-4,6-1 |
| ITF M15 Cancun | 2020/02/17 14:00 | Matic Spec v Denis Constantin Spiridon | 6-4,6-1 |