| 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 |
| Indonesia Masters XD | 2018/02/14 06:00 | Kalle Koljonen v Stensaeth, Peter Roenn | W | 2-0 |
| Giraldilla Int. XD | 2018/01/13 09:30 | Hermansah v Kalle Koljonen | L | 2-0 |
| Giraldilla Int. XD | 2018/01/12 07:30 | Persson, Jonathan v Kalle Koljonen | W | 0-2 |
| Giraldilla Int. XD | 2017/11/24 12:20 | Kalle Koljonen v Ygor Coelho | L | 0-2 |
| Indonesia Masters XD | 2017/11/23 10:40 | Pochtarov, Artem v Kalle Koljonen | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/03/06 08:00 | Abts, Birger v Vlaar, Alex | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/02/21 11:20 | Soh, Shi Xuan Dominic v Vlaar, Alex | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2017/12/14 08:00 | Max Weisskirchen v Vlaar, Alex | L | 2-0 |
| Giraldilla Int. XD | 2017/12/06 10:00 | Vlaar, Alex v Bernardo Atilano | W | 2-0 |
| Indonesia Masters XD | 2017/11/22 18:50 | Vlaar, Alex v Aarnio, Henri | L | 0-2 |
| Indonesia Masters XD | 2017/11/01 17:00 | Avihingsanon, Suppanyu v Vlaar, Alex | L | 2-0 |
| Indonesia Masters XD | 2017/10/31 17:40 | Abts, Birger v Vlaar, Alex | W | 1-2 |
| Dutch Open | 2017/10/11 10:20 | Vlaar, Alex v Enghoej, M. | L | 1-2 |