| Thailand Open | 2019/07/31 04:30 | Sitthikom Thammasin v Mark Caljouw | L | 2-0 |
| US Open | 2018/06/14 00:20 | Sitthikom Thammasin v Mark Caljouw | W | 0-2 |
| World Championships | 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 |
| European Games | 2019/06/25 19:45 | Mark Caljouw v Cristian Savin | W | 2-0 |
| Sudirman Cup | 2019/05/23 04:00 | Mark Caljouw v Alexander Roovers | W | 2-0 |
| Sudirman Cup | 2019/05/21 11:00 | Mark Caljouw v Brice Leverdez | W | 2-1 |
| Akita Masters | 2019/08/15 03:55 | Sitthikom Thammasin v Hashiru Shimono | L | 1-2 |
| Akita Masters | 2019/08/14 00:00 | Sitthikom Thammasin v Chun-Yi Lin | W | 2-1 |
| Thailand Open | 2019/08/01 10:40 | Kanta Tsuneyama v Sitthikom Thammasin | L | 2-1 |
| Thailand Open | 2019/07/31 04:30 | Sitthikom Thammasin v Mark Caljouw | W | 2-0 |
| Japan Open | 2019/07/25 02:00 | Anthony Sinisuka Ginting v Sitthikom Thammasin | L | 2-1 |
| Japan Open | 2019/07/23 07:00 | Sitthikom Thammasin v Daren Liew | W | 2-0 |
| Indonesia Open | 2019/07/17 08:30 | Sitthikom Thammasin v Anders Antonsen | L | 0-2 |
| Australian Open | 2019/06/06 06:10 | Sitthikom Thammasin v Joo Ven Soong | L | 0-2 |