| 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 |
| Australian Open | 2019/06/05 07:10 | Kanta Tsuneyama v Sitthikom Thammasin | W | 0-2 |
| Sudirman Cup | 2019/05/22 11:00 | Kento Momota v Sitthikom Thammasin | L | 2-0 |
| US Open | 2019/07/14 21:00 | Chun-Yi Lin v Tanongsak Saensomboonsuk | W | 2-0 |
| US Open | 2019/07/13 20:40 | Chun-Yi Lin v Yu Hsien Lin | W | 2-1 |
| US Open | 2019/07/13 02:30 | Dong Keun Lee v Chun-Yi Lin | W | 0-2 |
| US Open | 2019/07/11 22:10 | Shifeng Li v Chun-Yi Lin | W | 1-2 |
| US Open | 2019/07/10 22:00 | Ygor Coelho v Chun-Yi Lin | W | 0-2 |
| US Open - Kval | 2019/07/09 20:55 | Haichao Liu v Chun-Yi Lin | W | 1-2 |
| US Open - Kval | 2019/07/09 19:35 | Chun-Yi Lin v Lino Munoz | W | 2-0 |
| Canada Open | 2019/07/05 00:10 | Kwang Hee Heo v Chun-Yi Lin | L | 2-1 |