| Swiss Open - Kvalifikation - Damedouble | 2018/03/06 08:00 | Rudiger Gnedt v Kalle Koljonen | W | 0-2 |
| Indonesia Masters - Mixdouble | 2018/02/16 10:00 | Anders Antonsen v Kalle Koljonen | L | 2-1 |
| Indonesia Masters - Mixdouble | 2018/02/14 13:11 | Kalle Koljonen v Emre Lale | W | 2-0 |
| Indonesia Masters - Mixdouble | 2018/02/14 06:00 | Kalle Koljonen v Peter Roenn Stensaeth | W | 2-0 |
| Giraldilla Int. XD | 2018/01/13 09:30 | Hermansyah v Kalle Koljonen | L | 2-0 |
| Giraldilla Int. XD | 2018/01/12 07:30 | Jonathan Persson v Kalle Koljonen | W | 0-2 |
| Giraldilla Int. XD | 2017/11/24 12:20 | Kalle Koljonen v Ygor Coelho | L | 0-2 |
| Indonesia Masters - Mixdouble | 2017/11/23 10:40 | Artem Pochtarov v Kalle Koljonen | W | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2018/03/06 08:00 | Birger Abts v Alex Vlaar | W | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2018/02/21 11:20 | Shi Xuan Dominic Soh v Alex Vlaar | W | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2017/12/14 08:00 | Max Weisskirchen v Alex Vlaar | L | 2-0 |
| Giraldilla Int. XD | 2017/12/06 10:00 | Alex Vlaar v Bernardo Atilano | W | 2-0 |
| Indonesia Masters - Mixdouble | 2017/11/22 18:50 | Alex Vlaar v Henri Aarnio | L | 0-2 |
| Indonesia Masters - Mixdouble | 2017/11/01 17:00 | Suppanyu Avihingsanon v Alex Vlaar | L | 2-0 |
| Indonesia Masters - Mixdouble | 2017/10/31 17:40 | Birger Abts v Alex Vlaar | W | 1-2 |
| Dutch Open | 2017/10/11 10:20 | Alex Vlaar v Mikkel Enghoj | L | 1-2 |