| 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 Joao Souza | 4-6,4-6 |
| Challenger Guadalajara | 2017/03/23 00:15 | Kimmer Coppejans v Igor Sijsling | 6-3,6-0 |
| Challenger - Drummondville | 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 Jeremy Jahn | 6-4,6-2 |
| ATP - Kitzbühel | 2016/07/20 09:00 | Nikoloz Basilashvili v Igor Sijsling | 6-4,4-6,6-2 |
| ATP - Kitzbühel | 2016/07/18 09:30 | Igor Sijsling v Kenny de Schepper | 7-5,6-2 |
| ATP - Hamborg | 2016/07/12 09:00 | Martin Klizan v Igor Sijsling | 6-4,1-6,6-3 |
| ITF Romania F1 | 2017/05/21 08:00 | Sam Riffice v Nicolae Frunza | 3-6,3-6 |
| ITF Romania F1 | 2017/05/20 08:00 | Yannick Mertens v Sam Riffice | 6-3,5-7,4-6 |
| ITF Romania F1 | 2017/05/19 11:20 | Sam Riffice v Petru-Alexandru Luncanu | 6-0,7-5 |
| ITF Romania F1 | 2017/05/18 08:20 | Sam Riffice v Joran Vliegen | 7-5,6-3 |
| ITF Romania F1 | 2017/05/16 07:00 | Marco Bortolotti v Sam Riffice | 3-6,3-6 |
| ITF Romania F4 | 2017/05/15 10:25 | Sam Riffice v Alexandru Cristian Bodnariuk | 6-2,6-1 |
| ITF Romania F4 | 2017/05/14 08:00 | Sam Riffice v Vladimir Filip | 6-1,6-7,6-0 |
| ITF Romania F4 | 2017/05/13 10:00 | Sam Riffice v Eugen Durnescu | 6-2,6-2 |