| Euro Mixed Team Champs | 2023/02/14 15:00 | Toma Junior Popov v Mark Caljouw | W | 2-1 |
| Hylo Open | 2022/11/01 12:05 | Toma Junior Popov v Mark Caljouw | W | 2-1 |
| Swiss Open | 2022/03/24 12:00 | Toma Junior Popov v Mark Caljouw | W | 2-0 |
| 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 |
| Indonesia Masters | 2024/01/24 06:50 | Toma Junior Popov v Kiran George | L | 1-2 |
| India Open | 2024/01/17 11:50 | Toma Junior Popov v Kodai Naraoka | L | 1-2 |
| Malaysia Open | 2024/01/11 04:00 | Yuqi Shi v Toma Junior Popov | L | 2-0 |
| Malaysia Open | 2024/01/09 11:40 | Tien Chen Chou v Toma Junior Popov | W | 1-2 |
| China Masters | 2023/11/22 02:40 | Chun-Yi Lin v Toma Junior Popov | L | 2-0 |
| Hylo Open | 2023/11/04 18:20 | Toma Junior Popov v Cheuk Yiu Lee | L | 0-2 |
| Hylo Open | 2023/11/03 11:00 | Toma Junior Popov v Jan Louda | W | 2-1 |
| Hylo Open | 2023/11/01 09:40 | Kai Schaefer v Toma Junior Popov | W | 0-2 |
| Thailand Masters | 2024/02/03 08:05 | Mark Caljouw v Tien Chen Chou | L | 0-2 |
| Thailand Masters | 2024/02/02 06:00 | Mark Caljouw v Mithun Manjunath | W | 2-0 |
| Thailand Masters | 2024/02/01 06:00 | Mark Caljouw v June Wei Cheam | W | 2-0 |
| Thailand Masters | 2024/01/31 02:55 | Alwi Farhan v Mark Caljouw | W | 0-2 |
| Indonesian Masters Qual | 2024/01/23 03:40 | Alex Lanier v Mark Caljouw | L | 2-1 |
| Welsh Int. | 2023/11/30 10:45 | Matthias Kicklitz v Mark Caljouw | L | 2-0 |
| Irish Open | 2023/11/17 17:00 | Alex Lanier v Mark Caljouw | L | 2-1 |
| Irish Open | 2023/11/17 10:20 | Fabian Roth v Mark Caljouw | W | 0-2 |