Round: 25 Ground: Hardcourt outdoor
| ITF Italy F23 | 2017/07/28 19:15 | Igor Sijsling v Sumit Nagal | 3-6,0-6 |
| ITF Italy F23 | 2017/07/27 16:30 | Matteo Trevisan v Igor Sijsling | 2-6,6-3,4-6 |
| ITF Italy F23 | 2017/07/25 13:10 | Gianluca Acquaroli v Igor Sijsling | 1-6,3-6 |
| ITF Netherlands F4 | 2017/07/11 13:20 | Bart Stevens v Igor Sijsling | 7-6,4-6,6-4 |
| ITF Netherlands F3 | 2017/07/06 11:20 | Jelle Sels v Igor Sijsling | 6-2,0-6,7-5 |
| ITF Netherlands F3 | 2017/07/05 18:55 | Maikel Borg v Igor Sijsling | 4-6,2-6 |
| ITF Netherlands F1 | 2017/06/22 16:15 | Igor Sijsling v Tim Van Terheijden | 4-6,3-6 |
| ITF Netherlands F1 | 2017/06/20 17:00 | Igor Sijsling v Sam Riffice | 7-5,7-5 |
| Challenger Gatineau Qual | 2017/07/17 16:20 | Marcos Giron v Matthias Bachinger | 7-6,6-4 |
| Challenger Gatineau Qual | 2017/07/16 18:50 | Hans Hach Verdugo v Matthias Bachinger | 3-6,4-6 |
| Challenger Gatineau Qual | 2017/07/15 23:15 | Kaichi Uchida v Matthias Bachinger | 3-6,4-6 |
| Challenger Winnetka | 2017/07/14 19:30 | Matthias Bachinger v Akira Santillan | 4-6,6-4,4-6 |
| Challenger Winnetka | 2017/07/14 01:20 | Tennys Sandgren v Matthias Bachinger | 5-7,4-6 |
| Challenger Winnetka | 2017/07/12 16:50 | Matthias Bachinger v Michael Mmoh | 6-1,6-3 |
| Challenger Winnetka | 2017/07/11 15:00 | Christopher Eubanks v Matthias Bachinger | 3-6,7-5,3-6 |
| Challenger Marburg | 2017/07/06 13:10 | Filip Krajinovic v Matthias Bachinger | 7-5,6-1 |