Duck Hee Lee defeated Ji Hoon Son 6-2 6-1 in the M15 Sharm ElSheikh 2 quarter-final on hard. The upset overturned the form book — Ji Hoon Son came in leading the head-to-head 2–0. Duck Hee Lee claimed a first win over Ji Hoon Son in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-07-19 | M15 Seremban 1 | R32 | hard | Ji Hoon Son | 3-6 7-6(0) 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 (161 vs 59). 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