2015 GAC Group World Tour, Spanish Open | ITTF rankings: Doo Hoi Kem 2545, Lee Ho Ching 2646 |
2015 GAC Group World Tour, German Open | ITTF rankings: Doo Hoi Kem 2545, Lee Ho Ching 2646 |
2015 GAC Group World Tour, Qatar Open | ITTF rankings: Doo Hoi Kem 2528, Lee Ho Ching 2673 |
2015 GAC Group World Tour, Kuwait Open | ITTF rankings: Doo Hoi Kem 2528, Lee Ho Ching 2673 |
2015 GAC Group World Tour, Hungarian Open | ITTF rankings: Doo Hoi Kem 2528, Lee Ho Ching 2673 |
2009 Hong Kong Junior Open | ITTF rankings: Doo Hoi Kem 0, Lee Ho Ching 11018 |
2024 Summer Olympics | ITTF rankings: Doo Hoi Kem 491, Lee Ho Ching 381 |