| European Championships | 04/11 09:20 | - | Mark Caljouw v Anders Antonsen | L | 0-2 | |
| European Championships | 04/10 18:30 | - | Mark Caljouw v Matthias Kicklitz | W | 2-0 | |
| European Championships | 04/08 14:40 | - | Bruno Carvalho v Mark Caljouw | W | 0-2 | |
| Spain Masters | 03/27 12:05 | 5 | Toma Junior Popov v Mark Caljouw | L | 2-0 | |
| Swiss Open Qual | 03/19 14:10 | - | Yushi Tanaka v Mark Caljouw | L | 2-0 | |
| Swiss Open Qual | 03/19 10:50 | 4 | Danylo Bosniuk v Mark Caljouw | W | 0-2 | |
| Swiss Open Qual | 03/19 10:00 | 4 | Jan Louda v Mark Caljouw | - | CANC | |
| Orleans Masters | 03/13 17:00 | 5 | Mark Caljouw v Yushi Tanaka | L | 1-2 | |
| German Open | 02/28 15:15 | 5 | Tien Chen Chou v Mark Caljouw | L | 2-1 | |
| European Team Championships | 02/16 09:00 | - | Mark Caljouw v Harry Huang | W | 2-0 | |
| European Team Championships | 02/15 09:00 | - | Toma Junior Popov v Mark Caljouw | L | 2-0 | |
| Thailand Masters | 02/03 08:05 | 2 | Mark Caljouw v Tien Chen Chou | L | 0-2 |