Luca Castelnuovo defeated Duck Hee Lee 4-6 6-3 7-6 in the M15 Maanshan 1 quarter-final on hard. Luca Castelnuovo claimed a first win over Duck Hee Lee in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-06 | M25 Hong Kong 2 | R32 | hard | Duck Hee Lee | 3-6 6-4 7-5 |
| 2023-07-06 | M15 Tianjin 4 | R16 | hard | Duck Hee Lee | 6-3 6-3 |
Averages over each player's completed matches in the selected window (67 vs 36). 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