2014 World Tour, Qatar Open | ITTF rankings: Doo Hoi Kem 2428, Li Ching Wan 1842 |
2013 World Table Tennis Championships | ITTF rankings: Doo Hoi Kem 2142, Li Ching Wan 1906 |
2013 World Tour, Qatar Open | ITTF rankings: Doo Hoi Kem 2127, Li Ching Wan 1942 |
2013 World Tour, Kuweit Open | ITTF rankings: Doo Hoi Kem 2127, Li Ching Wan 1942 |
2012 World Junior Table Tennis Chamipionships | ITTF rankings: Doo Hoi Kem 2125, Li Ching Wan 1885 |
2012 World Tour, Polish Open | ITTF rankings: Doo Hoi Kem 2021, Li Ching Wan 1777 |
2012 World Tour, German Open | ITTF rankings: Doo Hoi Kem 2021, Li Ching Wan 1777 |
2012 World Tour, Harmony China Open | ITTF rankings: Doo Hoi Kem 1968, Li Ching Wan 1763 |
2012 Hong Kong Junior and Cadet Open | ITTF rankings: Doo Hoi Kem 1968, Li Ching Wan 1763 |
2012 Slovak Junior Open | ITTF rankings: Doo Hoi Kem 1988, Li Ching Wan 1813 |