Alexandre Muller vs Petr Bar Biryukov — Chengdu Qualifying Round of 8
Muller A.
Alexandre Muller faces Petr Bar Biryukov in the Chengdu qualifying round of 8 on hard. Alexandre Muller is the paper favourite — ranked #135, a roughly 210-point hard Elo advantage — but Petr Bar Biryukov arrives in form, winning 4 of their last 6 on hard to Alexandre Muller's 3.
Win Probability
Pre-match · updated 12:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Workload contrast: Alexandre Muller 0 games in 14 days, Petr Bar Biryukov 129.
- Last match: Petr Bar Biryukov won all two sets in tiebreaks against Andre Ilagan.
- Surface form: Alexandre Muller 3 of 6, Petr Bar Biryukov 4 of 6 on hard recently — Petr Bar Biryukov the sharper of late.
Common opponents
Last 12 monthsUmpiry 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.
Statistics
This seasonAverages over each player's completed matches in the selected window (22 vs 27). 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
Freshness
Recent loadMuller A.: 19 days rest · Bar Biryukov P.: 3 days rest · 4 matches, 95 games (7d). Higher means fresher. About
Conditions
Head to head
No previous meetings on record.