| European Team Championships | 2021/02/16 11:00 | Toma Junior Popov v Mark Caljouw | L | 1-2 |
| SaarLorLux Open | 2020/11/01 14:30 | Toma Junior Popov v Mark Caljouw | W | 2-1 |
| Giraldilla Int. XD | 2019/02/15 17:30 | Toma Junior Popov v Mark Caljouw | L | 0-2 |
| Indonesia Masters XD | 2017/11/23 13:40 | Mark Caljouw v Toma Junior Popov | L | 2-0 |
| Swiss Open | 2022/03/23 08:40 | Toma Junior Popov v Cheuk Yiu Lee | W | 2-0 |
| All England Open | 2022/03/16 09:05 | Daren Liew v Toma Junior Popov | L | 2-0 |
| German Open | 2022/03/10 10:00 | Viktor Axelsen v Toma Junior Popov | L | 2-0 |
| German Open | 2022/03/08 12:30 | Nhat Nguyen v Toma Junior Popov | W | 0-2 |
| World Tour Finals | 2021/12/03 02:30 | Toma Junior Popov v Kunlavut Vitidsarn | L | 1-2 |
| World Tour Finals | 2021/12/02 02:20 | Zii Jia Lee v Toma Junior Popov | L | 2-0 |
| World Tour Finals | 2021/12/01 02:40 | Srikanth Kidambi v Toma Junior Popov | L | 2-0 |
| Indonesia Open | 2021/11/24 05:00 | Sai Praneeth B. v Toma Junior Popov | L | 2-0 |
| Swiss Open | 2022/03/23 08:50 | Mark Caljouw v Felix Burestedt | W | 2-1 |
| All England Open | 2022/03/17 12:10 | Viktor Axelsen v Mark Caljouw | L | 2-0 |
| All England Open | 2022/03/16 11:05 | Mark Caljouw v Sameer Verma | W | 2-0 |
| German Open | 2022/03/09 08:20 | Mark Caljouw v Zii Jia Lee | L | 1-2 |
| World Championships | 2021/12/17 09:30 | Srikanth Kidambi v Mark Caljouw | L | 2-0 |
| World Championships | 2021/12/16 12:00 | Brian Yang v Mark Caljouw | W | 0-2 |
| World Championships | 2021/12/14 09:00 | Mark Caljouw v Kalle Koljonen | W | 2-1 |
| World Championships | 2021/12/12 15:00 | Sai Praneeth B. v Mark Caljouw | W | 1-2 |