Round: 26 Ground: Clay
| ITF Netherlands F1 | 2017/06/20 17:00 | Igor Sijsling v Riffice, Sam | 7-5,7-5 |
| Challenger - Francavilla | 2017/04/24 10:20 | Igor Sijsling v Lorenzo Giustino | 2-6,1-6 |
| Challenger Leon | 2017/03/29 19:30 | Igor Sijsling v Souza, Joao Olavo | 4-6,4-6 |
| Challenger Guadalajara | 2017/03/23 00:15 | Kimmer Coppejans v Igor Sijsling | 6-3,6-0 |
| Drummondville, Canada | 2017/03/14 15:35 | Igor Sijsling v Alex De Minaur | 1-6,4-6 |
| Challenger Wroclaw | 2017/02/28 12:40 | Igor Sijsling v Jahn, Jeremy | 6-4,6-2 |
| Kitzbuhel, Austria | 2016/07/20 09:00 | Nikoloz Basilashvili v Igor Sijsling | 6-4,4-6,6-2 |
| Kitzbuhel, Austria | 2016/07/18 09:30 | Igor Sijsling v Kenny de Schepper | 7-5,6-2 |
| ITF Netherlands F1 | 2017/06/20 10:40 | Shcherba, Vitalii v Van Terheijden, Tim | 2-6,6-3,3-6 |
| ITF Croatia F3 | 2017/03/19 08:30 | Van Terheijden, Tim v Sabanov, Matej | 6-7,6-3,6-7 |
| ITF Croatia F3 | 2017/03/18 08:00 | Domagoj Biljesko v Van Terheijden, Tim | 3-6,2-6 |
| ITF Croatia F2 | 2017/03/13 10:00 | Van Terheijden, Tim v Jurij Rodionov | 5-7,6-4,5-7 |
| ITF Croatia F2 | 2017/03/12 13:00 | Naoki Nakagawa v Van Terheijden, Tim | 3-6,7-5,3-6 |
| ITF Croatia F2 | 2017/03/11 08:00 | Van Terheijden, Tim v Kralj, Kevin | 6-1,6-1 |
| ITF Croatia F1 | 2017/03/08 09:00 | Van Terheijden, Tim v Zdenek Kolar | 4-6,1-6 |
| ITF Croatia F1 | 2017/03/06 12:00 | Ilic, Luka v Van Terheijden, Tim | 4-6,1-6 |