Mathys Erhard vs Olaf Pieczkowski — Grodzisk Mazowiecki Round of 32
Grodzisk Mazowiecki · CHALLENGER · Round of 32
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Sets
Monday, 3 August 2026 ·
hard
Erhard M.vs
Pieczkowski O.
Win Probability
Pre-match · updated 00:50 UTCErhard M.53%
Pieczkowski O.47%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Toss-up · Too close to call
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-match5.6
Slight disadvantageUmpiry Score5.3
Clear underdogUmpiry ScoreForm & Matchup
5.2+17 Hard Elo edge
Surface ELO4.8Hard Elo 1331
5.5Overall Elo 1382
ELO gap4.5Overall Elo 1338
5.0No prior meetings
H2H5.0No prior meetings
4.14 of last 10 on hard
Surface form4.04 of last 10 on hard
0.0
Win streak0.0
Fatigue & Travel
6.0Clay → Hard
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.
22 vs 6 matches
Statistics
This season1st serve in·Even
62%
60%
1st serve points won·Even
71%
67%
2nd serve points won·Even
51%
48%
Service points won·Even
63%
60%
Return points won·Even
37%
41%
Break points saved·Even
65%
61%
Aces / match·Slight edge
4.7
3.7
Double faults / match·Even
3.1
3.3
Averages over each player's completed matches in the selected window (22 vs 6). ATP, WTA & Challenger.
Serve vs return
This seasonEven serve battle
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Head to head
No previous meetings on record.