Rei Sakamoto vs Yibing Wu — Nottingham Round of 32
Nottingham · CHALLENGER · Round of 32
JPN#149ATP
1641ELO
1521Grass ELO
$203kYTD
$462kCAREER
19 yrs · 193 cm · Right-handed
Last 10
LLWWWWLWWW
—
Sets
Sunday, 14 June 2026 ·
grass
CHN#101ATP
1806ELO
1590Grass ELO
$309kYTD
$1.8MCAREER
26 yrs · 183 cm · Right-handed
Last 10
LLWLWWLLWW
Win Probability
Pre-match · updated 22:21 UTCSakamoto R.10%
Wu Y.90%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Strong favourite · Wu Y. heavily favoured
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-match4.7
Heavy underdogUmpiry ScorePartial · surface data limited- Surface jump clay↔grass (−0.8)
6.3
Marginal edgeUmpiry ScoreForm & Matchup
4.1Grass Elo 1521
Surface ELO5.9+69 Grass Elo edge
2.9Overall Elo 1641
ELO gap7.1Overall Elo 1806
5.0No prior meetings
H2H5.0No prior meetings
Surface form
1.31 of last 6 on grass
0.0Lost last 2
Win streak0.0Lost last 2
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
3.0Clay → Grass
Surface transitionContext
5.0Didn't play here last year
Defending pts5.0Didn't play here last year
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Conditions
Court speed
Fastbig serves, short points
SlowFast
Weather forecast
19°CPartly cloudy
Wind 7 km/hHumidity 45%
Head to head
No previous meetings on record.
Statistics
Recent form60%1st serve in+2%58%
73%1st serve points won+1%72%
53%2nd serve points won+2%55%
65%Service points won65%
36%Return points won+4%40%
63%Break points saved+12%51%
5.7Aces / match+2.43.3
2.1Double faults / match+0.12.2
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.