| All England Open | 2021/03/18 10:40 | Nhat Nguyen v Mark Caljouw | L | 0-2 |
| SaarLorLux Open | 2020/10/29 15:00 | Nhat Nguyen v Mark Caljouw | L | 1-2 |
| Kharkiv Int. | 2019/09/07 13:20 | Mark Caljouw v Nhat Nguyen | L | 2-1 |
| Orleans Masters | 2019/03/22 16:30 | Nhat Nguyen v Mark Caljouw | L | 0-2 |
| European Games | 2023/06/27 16:20 | Nhat Nguyen v Johnnie Torjussen | W | 2-0 |
| Indonesia Open | 2023/06/13 09:45 | Nhat Nguyen v Brian Yang | L | 0-2 |
| Singapore Open | 2023/06/07 06:00 | Nhat Nguyen v Tze Yong Ng | L | 1-2 |
| Thailand Open | 2023/05/31 03:45 | Nhat Nguyen v Toma Junior Popov | L | 0-2 |
| Malaysia Masters | 2023/05/24 12:30 | Ka Long Angus Ng v Nhat Nguyen | L | 2-1 |
| Orleans Masters | 2023/04/08 11:05 | Priyanshu Rajawat v Nhat Nguyen | L | 2-0 |
| Orleans Masters | 2023/04/06 14:40 | Jan Louda v Nhat Nguyen | W | 0-2 |
| Orleans Masters | 2023/04/05 08:35 | Nhat Nguyen v Sameer Verma | W | 2-1 |
| Nantes International | 2023/06/17 07:40 | Arnaud Merkle v Mark Caljouw | L | 2-0 |
| Nantes International | 2023/06/16 13:00 | Uriel F C Artiga v Mark Caljouw | W | 0-2 |
| Nantes International | 2023/06/16 09:00 | Prahdiska B Shujiwo v Mark Caljouw | W | 0-2 |
| Denmark Masters | 2023/06/11 08:20 | Mark Caljouw v Yu Kai Huang | L | 0-2 |
| Denmark Masters | 2023/06/10 14:40 | Po-Wei Wang v Mark Caljouw | W | 1-2 |
| Denmark Masters | 2023/06/10 08:40 | Mark Caljouw v Arnaud Merkle | W | 2-0 |
| Denmark Masters | 2023/06/09 16:20 | Mark Caljouw v Luka Wraber | W | 2-0 |
| Denmark Masters | 2023/06/09 12:20 | Mark Caljouw v Viktor Ording Kauffman | W | 2-0 |