| Hungarian Int. Qual | 2019/10/30 12:20 | Nicolas A. Mueller v Andy Tsai | W | 0-2 |
| Bulgarian Int. | 2019/10/05 08:00 | Andy Tsai v Dimitar Yanakiev | L | 0-2 |
| Bulgarian Int. | 2019/10/04 15:17 | Enis Sesalan v Andy Tsai | W | 1-2 |
| Bulgarian Int. | 2019/10/04 13:00 | Enis Sesalan v Andy Tsai | W | 1-2 |
| Polish Int. Qual | 2019/09/19 16:55 | Harry Huang v Andy Tsai | L | 2-0 |
| Polish Int. Qual | 2019/09/19 13:25 | Philip Pahatouridis v Andy Tsai | W | 1-2 |
| Belarus Int. Qual | 2019/08/29 09:45 | Nicolas A. Mueller v Andy Tsai | L | 2-1 |
| Denmark Int. Qual | 2019/05/09 13:40 | Peter Correl v Andy Tsai | W | 0-2 |
| Dutch Open | 2019/10/10 14:50 | Leo Rossi v Shifeng Li | L | 0-2 |
| Dutch Open | 2019/10/09 17:50 | Thomas Rouxel v Leo Rossi | W | 1-2 |
| Dutch Open | 2019/10/08 16:35 | Leo Rossi v Mithun Manjunath | W | 2-1 |
| Dutch Open Qual | 2019/10/08 09:10 | Joran Kweekel v Leo Rossi | W | 1-2 |
| Czech Open | 2019/09/28 09:00 | Jonathan Dolan v Leo Rossi | L | 2-0 |
| Bulgarian Open | 2019/08/13 09:40 | Leo Rossi v Iikka Heino | W | 2-1 |
| Spanish Int. Qual | 2019/06/12 13:30 | Leo Rossi v Karan Rajan Rajarajan | L | 1-2 |
| Latvia Int. | 2019/06/01 14:00 | Leo Rossi v Aram Mahmoud | L | 1-2 |