Round: 44 Ground: Hardcourt outdoor
| ITF Canada F6 Qual | 2017/09/02 17:30 | Niels P Van Noord v Daniel Grunberger | 6-4,6-4 |
| ITF Belgium F7 Qual | 2017/07/31 08:00 | Alexander Knight v Daniel Grunberger | 6-3,6-1 |
| ITF Belgium F7 Qual | 2017/07/30 08:00 | Maxime Vandendooren v Daniel Grunberger | 1-6,2-6 |
| ITF Belgium F7 Qual | 2017/07/29 08:00 | Joshua Goodger v Daniel Grunberger | 1-6,2-6 |
| ITF Belgium F6 | 2017/07/23 11:00 | Franco D Aubone v Daniel Grunberger | 6-3,6-3 |
| ITF Belgium F6 | 2017/07/22 15:00 | Daniel Grunberger v Patrick Mayer | 3-6,6-1,6-1 |
| ITF Belgium F6 | 2017/07/22 09:00 | Daniel Grunberger v Jacques Gley | 3-6,6-4,6-4 |
| ITF Belgium F5 | 2017/07/15 11:00 | Floris Van Den Brink v Daniel Grunberger | 6-2,6-2 |
| ITF Canada F6 Qual | 2017/09/02 21:00 | Nick Lagaev v Junior Alexander Ore | 3-6,3-6 |
| ITF Canada F6 Qual | 2017/09/02 17:30 | Ilya Tiraspolsky v Nick Lagaev | 1-6,2-6 |
| ITF USA F20 | 2017/06/17 19:00 | Nick Lagaev v Washi Gervais | 4-6,2-6 |
| ITF Canada F2 Qual | 2017/03/05 14:30 | JC Aragone v Nick Lagaev | 6-3,6-2 |
| ITF Canada F2 Qual | 2017/03/04 17:30 | Nick Lagaev v Samuel Beddow | 6-1,6-1 |