Yecong He defeated Jumpei Yamasaki 6-2 6-4 in the Gwangju CH qualifying round 2 on hard. The upset overturned the form book — Jumpei Yamasaki came in leading the head-to-head 1–0. Yecong He claimed a first win over Jumpei Yamasaki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-20 | Hong Kong F3 | QF | hard | Jumpei Yamasaki | 6-3 2-6 6-3 |
Averages over each player's completed matches in the selected window (58 vs 197). 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