Juncheng Shang defeated Alexander Bublik 6-4 3-6 5-7 6-3 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Alexander Bublik came in ranked #11, leading the head-to-head 2–1, defending last year's round of 128. Juncheng Shang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-05 | Hong Kong | QF | hard | Alexander Bublik | 6-1 7-6(2) |
| 2024-09-18 | Chengdu | QF | hard | Juncheng Shang | 6-4 7-6(8) |
| 2024-03-04 | Indian Wells Masters | R64 | hard | Alexander Bublik | 6-4 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (89 vs 140). ATP, WTA & Challenger.