12 total matches
Ko Sung-hyun leidt in het onderlinge duel tegen Koo Kien Keat met 10-2 in 12 wedstrijden, sinds 2008. Van hun 12 ontmoetingen gingen 6 naar een beslissende derde set. Ontmoetingen in finales: Ko Sung-hyun — SWISS SUPER SERIES 2010 2010.
Match History
| Koo Kien Keat | Score | Ko Sung-hyun |
|---|---|---|
Koo Kien Keat | 22–2011–2120–22(64′) | Ko Sung-hyun |
Koo Kien Keat | 17–2111–21(44′) | Ko Sung-hyun |
Koo Kien Keat | 23–2521–1621–23(86′) | Ko Sung-hyun |
Koo Kien Keat | 8–2121–1621–19(50′) | Ko Sung-hyun |
Koo Kien Keat | 21–1812–2117–21(64′) | Ko Sung-hyun |
Koo Kien Keat | 17–2113–21(39′) | Ko Sung-hyun |
Koo Kien Keat | 15–2120–22(35′) | Ko Sung-hyun |
Koo Kien Keat | 17–2121–1816–21(56′) | Ko Sung-hyun |
Koo Kien Keat | 19–2113–21(35′) | Ko Sung-hyun |
Koo Kien Keat | 18–2116–21(40′) | Ko Sung-hyun |
Koo Kien Keat | 18–2121–1719–21(45′) | Ko Sung-hyun |
Koo Kien Keat | 21–1321–16(23′) | Ko Sung-hyun |

