| Indonesia Masters - smíšená čtyřhra | 2018/03/07 20:25 | Mark Caljouw v Kalle Koljonen | L | 2-0 |
| Giraldilla Int. XD | 2018/06/13 19:10 | Kalle Koljonen v Rosario Maddaloni | W | 2-0 |
| Indonesia Masters - smíšená čtyřhra | 2018/04/24 10:30 | Kalle Koljonen v Alexander Roovers | L | 1-2 |
| 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 | Lucas Corvee v Kalle Koljonen | L | 2-1 |
| Giraldilla Int. XD | 2018/03/27 16:50 | Kalle Koljonen v Abhishek Yeligar | W | 2-0 |
| Indonesia Masters - smíšená čtyřhra | 2018/03/07 20:25 | Mark Caljouw v Kalle Koljonen | L | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/03/06 14:00 | Kalle Koljonen v Alex Vlaar | W | 2-0 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/03/06 08:00 | Rudiger Gnedt v Kalle Koljonen | W | 0-2 |
| Giraldilla Int. XD | 2018/06/14 00:20 | Sitthikom Thammasin v Mark Caljouw | W | 0-2 |
| Indonesia Masters - smíšená čtyřhra | 2018/04/26 15:00 | Jan O Jorgensen v Mark Caljouw | L | 2-0 |
| Indonesia Masters - smíšená čtyřhra | 2018/04/25 12:00 | Sergey Sirant v Mark Caljouw | W | 0-2 |
| Giraldilla Int. XD | 2018/04/01 12:30 | Mark Caljouw v Rasmus Gemke | W | 2-1 |
| Giraldilla Int. XD | 2018/03/31 17:10 | Sameer Verma v Mark Caljouw | W | 1-2 |
| Giraldilla Int. XD | 2018/03/30 17:00 | Mark Caljouw v Jan O Jorgensen | W | 2-0 |
| Giraldilla Int. XD | 2018/03/29 11:30 | Mark Caljouw v Victor Svendsen | W | 2-0 |
| Giraldilla Int. XD | 2018/03/28 10:30 | Mark Caljouw v Iikka Heino | W | 2-0 |