Zhizhen Zhang vs Roman Safiullin — Nottingham Quarter-final
Zhang Z.
Zhizhen Zhang faces Roman Safiullin in the Nottingham quarter-final on grass. Roman Safiullin is the paper favourite — ranked #135, a roughly 60-point grass Elo advantage — but Zhizhen Zhang arrives in form, winning 4 of their last 5 on grass to Roman Safiullin's 3.
Win Probability
Pre-match · updated 20:21 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Safiullin R. clearly ahead, but no certainty
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Zhizhen Zhang comes in with 1 days of rest and 172 games in 14d, vs Roman Safiullin's 1 and 136.
- Form trend: Form trajectories diverge: Zhizhen Zhang rising, Roman Safiullin cooling.
- Last match: Roman Safiullin dropped just 5 games past August Holmgren.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (25 vs 24). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadZhang Z.: 1 day rest · 6 matches, 152 games (7d) · Safiullin R.: 1 day rest · 2 matches, 65 games (7d). Higher means fresher. About
Conditions
Head to head
No previous meetings on record.