Jason Jung defeated Akira Santillan 7-5 6-2 in the Zhangjiagang CH quarter-final on hard. The result followed the form book — Jason Jung came in leading the head-to-head 1–0, defending the title. Jason Jung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-23 | Chengdu | Q1 | hard | Jason Jung | 7-5 3-6 7-6(2) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Jung J.: 5 days rest · 3 matches, 61 games (7d) · Santillan A.: 1 day rest · 1 match, 24 games (7d). Higher means fresher. About