| Bulgaria Open 2019, MS | 2019/08/18 15:30 | Tomokazu Harimoto v Zhao, Zihao | L | 4-2 |
| Bulgaria Open 2019, MS | 2019/08/18 10:30 | Quadri Aruna v Zhao, Zihao | W | 1-4 |
| Bulgaria Open 2019, MS | 2019/08/17 13:00 | Zhao, Zihao v Dimitrij Ovtcharov | W | 4-2 |
| Bulgaria Open 2019, MS | 2019/08/16 13:20 | Darko Jorgic v Zhao, Zihao | W | 2-4 |
| Bulgaria Open 2019, MS | 2019/08/15 18:00 | Zhao, Zihao v Simon Gauzy | W | 4-2 |
| Bulgaria Open 2019, MS | 2019/08/14 18:55 | Zhao, Zihao v Taimu Arinobu | W | 4-1 |
| Bulgaria Open 2019, MS | 2019/08/13 15:00 | Matsuyama, Yuki v Zhao, Zihao | W | 2-4 |
| Summer Universiade | 2019/07/11 09:00 | Zhu, Linfeng v Zhao, Zihao | W | 1-4 |
| Bulgaria Open 2019, MS | 2019/08/13 10:50 | Marcos Freitas v Viktor Yefimov | L | 4-0 |
| ITTF European Team Championships, Singles | 2019/05/19 08:47 | Viktor Yefimov v Oskar Pukk | W | 3-0 |
| ITTF European Team Championships, Singles | 2019/05/18 16:40 | Viktor Yefimov v Mihai Bobocica | W | 3-2 |
| Qatar Open 2019, MS | 2019/02/08 19:00 | Cedric Nuytinck v Viktor Yefimov | L | 3-1 |
| Qatar Open XD | 2018/10/02 17:31 | Aliaksandr Khanin v Viktor Yefimov | L | 3-0 |
| Qatar Open XD | 2018/08/21 14:40 | Felipe Olivares v Viktor Yefimov | L | 4-1 |
| Qatar Open XD | 2018/03/27 18:03 | Lubomir Pistej v Viktor Yefimov | L | 3-0 |
| Qatar Open XD | 2018/03/14 11:00 | Viktor Yefimov v Abdullah Yigenler | L | 8-11 |