| ITF - Italien F23 | 2017/07/27 16:30 | Matteo Trevisan v Igor Sijsling | 2-6,6-3,4-6 |
| ITF - Italien F23 | 2017/07/25 13:10 | Gianluca Acquaroli v Igor Sijsling | 1-6,3-6 |
| ITF - Niederlande F4 | 2017/07/11 13:20 | Bart Stevens v Igor Sijsling | 7-6,4-6,6-4 |
| ITF - Niederlande F3 | 2017/07/06 11:20 | Jelle Sels v Igor Sijsling | 6-2,0-6,7-5 |
| ITF - Niederlande F3 | 2017/07/05 18:55 | Maikel Borg v Igor Sijsling | 4-6,2-6 |
| ITF - Niederlande F1 | 2017/06/22 16:15 | Igor Sijsling v Tim Van Terheijden | 4-6,3-6 |
| ITF - Niederlande F1 | 2017/06/20 17:00 | Igor Sijsling v Sam Riffice | 7-5,7-5 |
| Challenger - Francavilla | 2017/04/24 10:20 | Igor Sijsling v Lorenzo Giustino | 2-6,1-6 |
| ITF - Italien F23 | 2017/07/26 14:40 | Gian Marco Moroni v Sumit Nagal | 2-6,6-3,6-7 |
| ITF - Italien F23 | 2017/07/24 16:00 | Antonio Massara v Sumit Nagal | 4-6,5-7 |
| ITF Türkei F26 | 2017/07/20 07:30 | Sumit Nagal v Miki Jankovic | 4-6,2-6 |
| ITF Türkei F26 | 2017/07/19 13:05 | Sumit Nagal v Bogdan Borza | 6-1,6-2 |
| ITF - Sri Lanka F3 | 2017/07/08 04:00 | Sumit Nagal v Carlos Boluda-Purkiss | 6-1,6-1 |
| ITF - Sri Lanka F3 | 2017/07/07 04:00 | Sumit Nagal v Yurii Dzhavakian | 6-0,6-2 |
| ITF - Sri Lanka F3 | 2017/07/06 03:30 | Sumit Nagal v Pierre Faivre | 6-4,3-6,6-1 |
| ITF - Sri Lanka F2 | 2017/07/01 04:45 | Sumit Nagal v Alexander Zhurbin | 6-1,6-3 |