Stadium: Centre Court Round: 25 Ground: Clay
| 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 |
| Challenger Koblenz | 2020/02/18 09:00 | Kacper Zuk v Igor Sijsling | 6-4,3-6,6-7 |
| ITF M25 Nussloch | 2020/01/21 13:30 | Vitaliy Sachko v Igor Sijsling | 7-6,6-2 |
| ITF M15 Antalya | 2019/12/19 09:20 | Benjamin Dhoe v Igor Sijsling | 6-3,6-4 |
| ITF M15 Doha | 2020/03/11 14:00 | Sidane Pontjodikromo v Marat Deviatiarov | 2-6,4-6 |
| ITF M15 Monastir | 2020/02/11 08:30 | Sidane Pontjodikromo v Michal Konecny | 6-2,3-6,5-7 |
| ITF M15 Monastir | 2020/02/02 10:00 | Sidane Pontjodikromo v Aloys J W Van Baal | 2-6,0-6 |
| ITF M15 Monastir | 2020/01/26 08:00 | Vitali Shvets v Sidane Pontjodikromo | 4-6,6-2,10-6 |
| ITF M15 Monastir | 2019/12/11 08:30 | Erik Crepaldi v Sidane Pontjodikromo | 6-0,6-0 |
| ITF M15 Sharm El Sheikh | 2019/11/21 08:00 | Sidane Pontjodikromo v Lucas Hellfritsch | 5-7,6-2,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/20 08:00 | Petros Chrysochos v Sidane Pontjodikromo | 4-6,6-4,4-6 |
| ITF M15 Sharm El Sheikh | 2019/11/13 08:00 | Sidane Pontjodikromo v Stijn Pel | 7-5,6-2 |