| UTR Pro Tennis Series - Dubai | 2022/01/07 07:30 | Oscar Jose Gutierrez v Igor Sijsling | 4-6,6-1,6-1 |
| UTR Pro Tennis Series - Dubai | 2022/01/06 09:00 | Martins Podzus v Igor Sijsling | 2-6,6-7 |
| UTR Pro Tennis Series - Dubai | 2022/01/03 06:00 | Igor Sijsling v Simon Roberts | 6-3,6-1 |
| Challenger - Lissabon | 2021/09/27 15:10 | Igor Sijsling v Andrea Pellegrino | 0-6,4-6 |
| Challenger Braga | 2021/09/21 09:00 | Igor Sijsling v Michael Vrbensky | 1-6,4-6 |
| Challenger - Prag | 2021/08/27 09:00 | Franco Agamenone v Igor Sijsling | 6-3,6-0 |
| Challenger - Prag | 2021/08/26 10:00 | Igor Sijsling v Kaichi Uchida | 7-5,6-3 |
| Challenger - Prag | 2021/08/24 13:45 | Daniel Siniakov v Igor Sijsling | 4-6,3-6 |
| UTR Pro Tennis Series - Dubai | 2022/01/07 06:00 | Ilya Snitari v Vasile Antonescu | 6-0,6-3 |
| UTR Pro Tennis Series - Dubai | 2022/01/05 09:00 | Ilya Snitari v Gorazd Srbljak | 6-4,6-1 |
| UTR Pro Tennis Series - Dubai | 2022/01/04 06:00 | Ilya Snitari v Johann Willems | 6-3,6-3 |
| UTR Pro Tennis Series - Dubai | 2022/01/03 04:30 | Gabriel Donev v Ilya Snitari | 4-6,3-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/12 11:00 | Thomas Laurent v Ilya Snitari | 6-3,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/12/11 11:00 | Alen Rogic-Hadzalic v Ilya Snitari | 0-6,1-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/10 08:00 | Ilya Snitari v Stefanos Sakellaridis | 6-4,6-3 |
| UTR Pro Tennis Series - Barcelona | 2021/12/09 09:30 | Ilya Snitari v Pol Toledo Bague | 6-3,6-1 |