| Japan Open | 2019/07/23 07:00 | Thammasin, S. v Liew, Daren | L | 2-0 |
| Vietnam Open | 2019/09/12 02:00 | Liew, Daren v Verma, Siril | L | 1-2 |
| Chinese Taipei Open 2019, MS | 2019/09/05 10:05 | Rouxel, Thomas v Liew, Daren | L | 2-0 |
| Chinese Taipei Open 2019, MS | 2019/09/04 07:40 | Liew, Daren v Igarashi, Yu | W | 2-0 |
| World Championships | 2019/08/21 10:20 | Liew, Daren v Anders Antonsen | L | 0-2 |
| World Championships | 2019/08/19 09:30 | Liew, Daren v Phetpradab, Khosit | W | 2-0 |
| Open de Thaïlande | 2019/07/31 06:00 | Ka Long Angus Ng v Liew, Daren | L | 2-0 |
| Japan Open | 2019/07/23 07:00 | Thammasin, S. v Liew, Daren | L | 2-0 |
| Indonesia Open | 2019/07/16 10:05 | Kento Momota v Liew, Daren | L | 2-0 |
| Akita Masters 2019, MS | 2019/08/15 03:55 | Thammasin, S. v Shimono, Hashiru | L | 1-2 |
| Akita Masters 2019, MS | 2019/08/14 00:00 | Thammasin, S. v Chun-Yi Lin | W | 2-1 |
| Open de Thaïlande | 2019/08/01 10:40 | Kanta Tsuneyama v Thammasin, S. | L | 2-1 |
| Open de Thaïlande | 2019/07/31 04:30 | Thammasin, S. v Mark Caljouw | W | 2-0 |
| Japan Open | 2019/07/25 02:00 | Anthony Sinisuka Ginting v Thammasin, S. | L | 2-1 |
| Japan Open | 2019/07/23 07:00 | Thammasin, S. v Liew, Daren | W | 2-0 |
| Indonesia Open | 2019/07/17 08:30 | Thammasin, S. v Anders Antonsen | L | 0-2 |
| Australian Open | 2019/06/06 06:10 | Thammasin, S. v Joo Ven Soong | L | 0-2 |