Zsombor Piros vs Guy Den OudenHagen Quarter-final

Hagen · CHALLENGER · Quarter-final
#123ATP
1661ELO
1621Clay ELO
$192kYTD
$1.0MCAREER
26 yrs · 180 cm · Right-handed
Last 10
WWLWWWWWWW
Sets
Friday, 7 August 2026 ·
clay
PLATZMANN CENTRE COURT · 2nd on
#222ATP
1495ELO
1484Clay ELO
$84kYTD
$332kCAREER
24 yrs · 183 cm · Right-handed
Last 10
WWLWWWWWLW
Piros Z.
vs
Den Ouden G.

Zsombor Piros faces Guy Den Ouden in the Hagen quarter-final on clay. Zsombor Piros holds the paper edge — ranked #123, a roughly 140-point clay Elo advantage. Recent clay form is closely matched.

Win Probability

Pre-match · updated 11:50 UTC
Piros Z.66%
Den Ouden G.34%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Piros Z. narrowly ahead

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Common opponents

Last 12 months
No 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-match
7.4
Dominant favouriteUmpiry Score
6.3
Marginal edgeUmpiry Score
Form & Matchup
6.7+136 Clay Elo edge
Surface ELO
3.3Clay Elo 1484
7.1Overall Elo 1661
ELO gap
2.9Overall Elo 1495
5.0No prior meetings
H2H
5.0No prior meetings
8.89 of last 10 on clay
Surface form
8.18 of last 10 on clay
Context
5.0Didn't play here last year
Defending pts
5.0Didn'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.

23 vs 14 matches

Statistics

This season
1st serve in·Even
62%
63%
1st serve points won·Slight edge
70%
64%
2nd serve points won·Slight edge
53%
45%
Service points won·Slight edge
64%
57%
Return points won·Even
39%
37%
Break points saved·Clear edge
71%
47%
Aces / match·Clear edge
4.0
2.2
Double faults / match·Clear edge
2.0
2.9

Averages over each player's completed matches in the selected window (23 vs 14). ATP, WTA & Challenger.

Serve vs return

This season
Piros Z.serving80% hold

wins 63% of points on serve vs Den Ouden G.

Den Ouden G.serving63% hold

wins 55% of points on serve vs Piros Z.

Serve advantage — Piros Z.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Clutch

Under pressure
Clutch Rating·Dominant
0
26
Break points saved·Dominant
25
72
Break points won·Dominant
11
36
Deciding sets·Dominant
45
19
Tiebreaks·Dominant
1
35

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Freshness·Even
82
81

Piros Z.: 2 days rest · 2 matches, 36 games (7d) · Den Ouden G.: 2 days rest · 2 matches, 38 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather forecast
23°COvercast
Wind 6 km/hHumidity 40%

Head to head

No previous meetings on record.

Draw