11 total matches
Ko Sung Hyun leads the head-to-head against Tontowi Ahmad 6-5 across 11 matches, dating back to 2011. Of their 11 meetings, 3 went to a deciding third game. Finals meetings: Tontowi Ahmad — Yonex Denmark Open 2015; Tontowi Ahmad — Yonex Sunrise India Open 2013 2013; Tontowi Ahmad — Yonex Chinese Taipei Open 2011 2011.
Match History
| Ko Sung Hyun | Score | Tontowi Ahmad |
|---|---|---|
Ko Sung Hyun | — | Tontowi Ahmad |
Ko Sung Hyun | 21–1421–16(34′) | Tontowi Ahmad |
Ko Sung Hyun | 20–2221–1821–9(66′) | Tontowi Ahmad |
Ko Sung Hyun | 21–1623–21(41′) | Tontowi Ahmad |
Ko Sung Hyun | 8–2115–21(39′) | Tontowi Ahmad |
Ko Sung Hyun | 22–2021–18(44′) | Tontowi Ahmad |
Ko Sung Hyun | 13–2111–21(31′) | Tontowi Ahmad |
Ko Sung Hyun | 16–2113–21(32′) | Tontowi Ahmad |
Ko Sung Hyun | 9–2121–1718–21(42′) | Tontowi Ahmad |
Ko Sung Hyun | 13–216–21(20′) | Tontowi Ahmad |
Ko Sung Hyun | 24–2216–2121–17(60′) | Tontowi Ahmad |

