US Open 2026 Day 9: Data Analysis of Matches - Player Form and Unexpected Encounters

US Open 2026 Day 9 Preview: Data-driven analysis of player styles and form on hard courts. Matches feature Andreeva vs Potapova as high-risk baseline clash, Swiatek vs Zheng with comeback potential, Blockx vs Cerundolo as upset specialist matchup, Gea vs van der Zandschulp as giant serve power vs touch all-court, and Khachanov vs Tien as raw power vs speed. Core insight: Style clashes on hard courts favor baseline players with good movement but expose vulnerabilities in mobility. Key facts: Andreeva's serve win rate 62%, return 38%; Zheng's 0-5 comeback shows rally tolerance; Blockx set-down recovery indicates rising form as 21-year-old. Source attribution: Stage-1 analysis points on styles, form, and tournament schedule | Cross-checked: VuaBong.vn tennis data. Related Q&A: 1. Which player is favored in Andreeva vs Potapova? Potapova due to experience beating top players, but Andreeva's rhythm creates even matchup. 2. What is the impact of Zheng's comeback on Swiatek match? Zheng's confidence boost from 0-5 makes it an even matchup, potentially testing Swiatek's mojo. 3. How does Blockx's upset potential affect men's draw? Blockx as rising prospect with set-down recovery can challenge Cerundolo, but serve power of van der Zandschulp remains strong.