| Australian Open 2019, MS | 2019/07/09 10:50 | Simon Gauzy v Zhou, Kai | W | 3-4 |
| Australian Open 2019, MS | 2019/07/09 01:40 | Xavier Dixon v Zhou, Kai | W | 0-4 |
| Qatar Open XD | 2018/11/06 14:50 | Kenta Matsudaira v Zhou, Kai | L | 4-1 |
| Qatar Open XD | 2018/10/30 16:00 | Zhou, Kai v Shibaev, Alexander | L | 1-4 |
| Qatar Open XD | 2018/07/18 02:05 | Benedikt Duda v Zhou, Kai | W | 2-4 |
| Qatar Open XD | 2018/07/17 01:50 | Zhou, Kai v Teshaboev, Kutbidillo | W | 4-0 |
| Qatar Open 2019, MS | 2018/06/08 04:30 | Zhou, Kai v Karlsson, Mattias | L | 1-4 |
| Qatar Open XD | 2018/06/07 07:00 | Kim, Donghyun v Zhou, Kai | W | 1-4 |
| Japan Open 2019, MS | 2019/06/14 06:00 | Mizutani, Jun v Mizuki Oikawa | L | 4-2 |
| Japan Open 2019, MS | 2019/06/13 09:40 | Zhang, Yudong v Mizuki Oikawa | W | 2-4 |
| Japan Open 2019, MS | 2019/06/12 07:30 | Mizuki Oikawa v Kwan Kit Ho | W | 4-0 |
| ITTF China Open 2019, MS | 2019/05/30 12:15 | Long Ma v Mizuki Oikawa | L | 4-1 |
| Thailand Open | 2019/05/25 07:10 | Yuta Tanaka v Mizuki Oikawa | L | 4-3 |
| République tchèque - Extraleague | 2019/03/22 17:25 | Mizuki Oikawa v Frane Kojic | L | 1-4 |
| Qatar Open 2019, MS | 2018/08/24 14:00 | Zheng, Peifeng v Mizuki Oikawa | L | 4-3 |
| Qatar Open 2019, MS | 2018/08/23 14:00 | Mizuki Oikawa v Koki Niwa | W | 4-1 |