Ji Hoon Son defeated Duck Hee Lee 3-6 7-6 6-1 in the M15 Seremban 1 round of 32 on hard. Ji Hoon Son extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-02-25 | M15 Sharm ElSheikh 2 | QF | hard | Duck Hee Lee | 6-2 6-1 |
| 2014-06-23 | Korea F7 | R16 | hard | Ji Hoon Son | 3-6 |
Averages over each player's completed matches in the selected window (59 vs 161). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About