Kuan Yi Lee defeated Shuichi Sekiguchi 6-3 6-4 in the Shenzhen CH qualifying round 2 on hard. The upset overturned the form book — Shuichi Sekiguchi came in leading the head-to-head 2–0. Kuan Yi Lee claimed a first win over Shuichi Sekiguchi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-04 | M15 Wuhan 1 | SF | hard | Shuichi Sekiguchi | 6-3 6-3 |
| 2017-07-24 | China F14 | R32 | hard | Shuichi Sekiguchi | 6-4 2-4 |
Averages over each player's completed matches in the selected window (161 vs 200). 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