| Dutch Int. | 2019/04/13 14:00 | Mads Christophersen v Arnaud Merkle | L | 2-0 |
| Dutch Int. | 2019/04/13 08:00 | Joran Kweekel v Arnaud Merkle | W | 1-2 |
| Dutch Int. | 2019/04/12 08:00 | Jeppe Bruun Christensen v Arnaud Merkle | W | 0-2 |
| Swiss Open WD Qual | 2019/03/12 14:30 | Raul Must v Arnaud Merkle | L | 2-0 |
| Swiss Open WD Qual | 2019/03/12 11:40 | Alexander Roovers v Arnaud Merkle | W | 0-1 |
| Portugal Int. | 2019/03/08 10:00 | Michal Rogalski v Arnaud Merkle | L | 2-0 |
| Swiss Open WD Qual | 2019/01/17 14:00 | Peter Correl v Arnaud Merkle | W | 0-2 |
| Estonian Int. | 2019/01/13 10:00 | Arnaud Merkle v Joran Kweekel | W | 2-0 |
| Osaka Int. | 2019/04/04 06:00 | Donghun Kim v Haichao Liu | L | 2-1 |
| China Masters | 2019/03/17 06:00 | Haichao Liu v Hongyang Weng | L | 0-2 |
| China Masters | 2019/03/16 05:30 | Iskandar Zulkarnain v Haichao Liu | W | 1-2 |
| China Masters | 2019/03/15 10:50 | Haichao Liu v Zhengze Gao | W | 2-0 |
| China Masters | 2019/03/14 08:25 | Haichao Liu v Ping-Hsien Huang | W | 2-1 |
| China Masters | 2019/03/13 11:20 | Wei Feng Chong v Haichao Liu | W | 0-2 |
| China Masters | 2019/03/12 10:00 | Haichao Liu v Chia Hung Lu | W | 2-1 |
| Giraldilla Int. XD | 2019/02/23 10:20 | Mark Caljouw v Haichao Liu | L | 2-1 |