| Orleans Masters | 2019/03/22 16:30 | Nhat Nguyen v Mark Caljouw | W | 0-2 |
| Kharkiv Int. | 2019/09/07 07:40 | Mark Caljouw v Jason Anthony Ho-Shue | W | 2-0 |
| Kharkiv Int. | 2019/09/06 16:00 | Mark Caljouw v Milan Ludik | W | 2-0 |
| Kharkiv Int. | 2019/09/06 06:00 | Mark Caljouw v Alex Lane | W | 2-0 |
| VM | 2019/08/19 13:00 | Mark Caljouw v Kantaphon Wangcharoen | L | 0-2 |
| Thailand Open | 2019/07/31 04:30 | Sitthikom Thammasin v Mark Caljouw | L | 2-0 |
| Japan Open | 2019/07/23 05:20 | Kantaphon Wangcharoen v Mark Caljouw | L | 2-1 |
| Indonesia Open | 2019/07/16 10:05 | Mark Caljouw v Yuxiang Huang | L | 0-2 |
| US Open | 2019/07/10 16:00 | Mark Caljouw v Yu Hsien Lin | L | 0-2 |
| Kharkiv Int. | 2019/09/07 07:20 | Pablo Abian v Nhat Nguyen | W | 1-2 |
| Kharkiv Int. | 2019/09/06 14:00 | Nhat Nguyen v Luka Wraber | W | 2-0 |
| Kharkiv Int. | 2019/09/06 07:20 | Nhat Nguyen v Miha Ivanic | W | 2-0 |
| VM | 2019/08/19 12:30 | Nhat Nguyen v Srikanth Kidambi | L | 1-2 |
| Russia Open | 2019/07/19 04:00 | Kodai Naraoka v Nhat Nguyen | L | 2-0 |
| Russia Open | 2019/07/18 03:45 | Runze Yan v Nhat Nguyen | W | 1-2 |
| Russia Open | 2019/07/17 00:40 | Egor Kurdyukov v Nhat Nguyen | W | 0-2 |
| Russia Open | 2019/07/16 00:00 | Nhat Nguyen v Chun Kar Lung | W | 2-0 |