| Open de Slovaquie - Qualif. | 04/17 10:05 | - | Iljo Van Delsen v Matthew Cheung | L | 0-2 | |
| International du Portugal Qualif. | 03/06 11:40 | - | Angus Meldrum v Iljo Van Delsen | L | 2-1 | |
| Spanish Int. Qual | 11/14 08:35 | - | Iljo Van Delsen v Richard Kuhl | L | 1-2 | |
| Dutch Open (GP) 2017, Qualification | 10/11 12:00 | - | Rune Van Dalm v Iljo Van Delsen | L | 2-1 | |
| Croatia Int. Qual | 09/28 07:20 | - | Jan Janostik v Iljo Van Delsen | L | 2-0 | |
| Belgian Int. Qual | 09/13 13:00 | - | David Kim v Iljo Van Delsen | L | 2-0 | |
| Bonn Int. Qual | 05/31 09:20 | - | Christensen, Rasmus Careoe v Iljo Van Delsen | L | 2-0 | |
| Slovenia Open Quals | 05/17 07:00 | - | Naren Shankar Iyer v Iljo Van Delsen | L | 2-0 | |
| Luxembourg Open Qual | 05/04 10:10 | - | Maxim Grinblat v Iljo Van Delsen | L | 2-1 | |
| Dutch Int. - Qualif. | 04/13 08:20 | - | Larry Pong v Iljo Van Delsen | L | 2-0 | |
| Irish Open Qual | 11/16 11:20 | - | Rossi, Remi v Iljo Van Delsen | L | 2-0 | |
| Czech Open Qual | 10/20 08:10 | - | Savin, Cristian v Iljo Van Delsen | L | 2-1 |