Olle Wallin vs Andrea Guerrieri — Grodzisk Mazowiecki Round of 32
Grodzisk Mazowiecki · CHALLENGER · Round of 32
—
Sets
Monday, 3 August 2026 ·
hard
Wallin O.vs
Guerrieri A.
Win Probability
Pre-match · updated 20:50 UTCWallin O.40%
Guerrieri A.60%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Slight edge · Guerrieri A. narrowly ahead
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Common opponents
Last 12 monthsNo common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.
Umpiry Score
Pre-match5.4
Clear underdogUmpiry Score6.4
Marginal edgeUmpiry ScoreForm & Matchup
3.6Hard Elo 1278
Surface ELO6.4+115 Hard Elo edge
1.9Overall Elo 1300
ELO gap8.1Overall Elo 1545
5.0No prior meetings
H2H5.0No prior meetings
3.64 of last 10 on hard
Surface form5.66 of last 10 on hard
0.0
Win streak0.0
Fatigue & Travel
4.02 three-setters in 14 days
3-set count6.0Clay → Hard
Surface transition6.0Clay → Hard
Context
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.
5 vs 30 matches
Statistics
This season1st serve in·Slight edge
57%
64%
1st serve points won·Even
69%
66%
2nd serve points won·Slight edge
52%
46%
Service points won·Even
62%
59%
Return points won·Even
48%
44%
Break points saved·Clear edge
48%
60%
Aces / match·Clear edge
3.8
1.4
Double faults / match·Dominant
2.2
4.5
Averages over each player's completed matches in the selected window (5 vs 30). ATP, WTA & Challenger.
Serve vs return
This seasonBaseline battle — serve is shaky, expect plenty of breaks
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Freshness
Recent loadFreshness·Dominant
63
100
Wallin O.: 1 day rest · 4 matches, 93 games (7d) · Guerrieri A.: 20 days rest. Higher means fresher. About
Head to head
No previous meetings on record.