Head to Head
| Spain Masters | 2023/03/30 09:30 | Christo Popov v Koki Watanabe | W | 0-2 |
| Swiss Open | 2022/03/23 11:10 | Koki Watanabe v Christo Popov | L | 1-2 |
Home History
| All England Open | 2024/03/14 10:55 | Toma Junior Popov v Koki Watanabe | W | 0-2 |
| All England Open | 2024/03/12 10:45 | Koki Watanabe v Tzu Wei Wang | W | 2-0 |
| French Open | 2024/03/05 13:55 | Shifeng Li v Koki Watanabe | L | 2-0 |
| India Open | 2024/01/19 12:05 | Koki Watanabe v Yuqi Shi | L | 0-2 |
| India Open | 2024/01/18 06:25 | Shifeng Li v Koki Watanabe | W | 1-2 |
| India Open | 2024/01/16 04:15 | Chia Hao Lee v Koki Watanabe | W | 1-2 |
| Malaysia Open | 2024/01/11 06:25 | Koki Watanabe v Anders Antonsen | L | 0-2 |
| Malaysia Open | 2024/01/10 05:35 | Tze Yong Ng v Koki Watanabe | - | away |
Away History
| All England Open | 2024/03/14 11:55 | Su Li Yang v Christo Popov | W | 1-2 |
| All England Open | 2024/03/12 10:00 | Christo Popov v Cheuk Yiu Lee | W | 2-1 |
| French Open | 2024/03/06 12:05 | Christo Popov v Yuqi Shi | L | 0-2 |
| German Open | 2024/03/03 14:15 | Rasmus Gemke v Christo Popov | W | 0-2 |
| German Open | 2024/03/02 14:45 | Hyeok Jin Jeon v Christo Popov | W | 1-2 |
| German Open | 2024/03/01 17:25 | Christo Popov v Su Li Yang | W | 2-1 |
| German Open | 2024/02/29 17:25 | Chia Hao Lee v Christo Popov | W | 0-2 |
| German Open | 2024/02/28 15:40 | Mads Christophersen v Christo Popov | W | 0-2 |