| Asia Team Championships | 02/14 09:10 | - | Jonatan Christie v Zafra, Lanz Ralf | L | 2-0 | |
| Asia Team Championships | 02/11 09:00 | - | Tzu Wei Wang v Zafra, Lanz Ralf | L | 2-0 | |
| Indonesia International Challenge 2019, MS | 10/22 12:30 | 6 | Yulianto, Alberto Alvin v Zafra, Lanz Ralf | L | 2-0 |