| Giraldilla Int. XD | 2018/04/06 15:00 | Kalle Koljonen v Luis Enrique Penalver | L | 0-2 |
| Giraldilla Int. XD | 2018/03/28 13:10 | Corvee, Lucas v Kalle Koljonen | L | 2-1 |
| Giraldilla Int. XD | 2018/03/27 16:50 | Kalle Koljonen v Abhishek Yeligar | W | 2-0 |
| Indonesia Masters XD | 2018/03/07 20:25 | Mark Caljouw v Kalle Koljonen | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/03/06 14:00 | Kalle Koljonen v Vlaar, Alex | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/03/06 08:00 | Gnedt, Rudiger v Kalle Koljonen | W | 0-2 |
| Indonesia Masters XD | 2018/02/16 10:00 | Anders Antonsen v Kalle Koljonen | L | 2-1 |
| Indonesia Masters XD | 2018/02/14 13:11 | Kalle Koljonen v Emre Lale | W | 2-0 |
| Giraldilla Int. XD | 2018/04/06 08:05 | Verma, Siril v Roovers, Alexander | L | 2-0 |
| Giraldilla Int. XD | 2018/03/30 15:30 | Lucas Claerbout v Roovers, Alexander | L | 2-1 |
| Giraldilla Int. XD | 2018/03/29 18:00 | Roovers, Alexander v Parsons, Sam | W | 2-1 |
| Giraldilla Int. XD | 2018/03/28 17:50 | Roovers, Alexander v Sipani, Sahil | W | 2-0 |
| Giraldilla Int. XD | 2018/03/27 18:10 | Persson, Jonathan v Roovers, Alexander | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/03/06 09:20 | Roovers, Alexander v Junpeng Zhao | L | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/02/20 12:40 | Toft, Soeren v Roovers, Alexander | L | 2-0 |
| Giraldilla Int. XD | 2018/01/12 15:15 | Zavadsky, Dmytro v Roovers, Alexander | L | 2-0 |