Guy Den Ouden vs Alexander BlockxPrague CH Quarter-final

Prague CH · CHALLENGER · Quarter-final
#231ATP
1495ELO
1484Clay ELO
$84kYTD
$332kCAREER
24 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWLLLWLWW
2 — 1
Sets
Monday, 5 May 2025
clay
#37ATP
1906ELO
1868Clay ELO
$901kYTD
$1.8MCAREER
21 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLWLWWWWW
Den Ouden G.
3-6 6-4 6-1
Blockx A.
Den Ouden G.
3662
Blockx A.
6411

Guy Den Ouden defeated Alexander Blockx 3-6 6-4 6-1 in the Prague CH quarter-final on clay. The upset overturned the form book — Alexander Blockx came in ranked #37.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Den Ouden G.serving70% hold

wins 58% of points on serve vs Blockx A.

Blockx A.serving72% hold

wins 59% of points on serve vs Den Ouden G.

Even 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

Serve & return on clay

Den Ouden G.Blockx A.
Serve
81
Return
0

Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
62%
62%
1st serve points won·Slight edge
67%
74%
2nd serve points won·Even
50%
53%
Service points won·Slight edge
61%
66%
Return points won·Even
43%
39%
Break points saved·Slight edge
57%
66%
Aces / match·Dominant
2.5
5.5
Double faults / match·Dominant
3.5
1.8

Averages over each player's completed matches in the selected window (66 vs 107). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
26
71
Break points saved·Dominant
72
97
Break points won·Slight edge
36
27
Deciding sets·Dominant
19
95
Tiebreaks·Dominant
35
87

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

Umpiry Score

Pre-match
5.2
Clear underdogUmpiry Score
6.0
Even matchUmpiry Score
  • Recent retirement (−1.5)
Form & Matchup
0.2Clay Elo 1484
Surface ELO
9.8+384 Clay Elo edge
0.0Overall Elo 1495
ELO gap
10.0Overall Elo 1906
5.0No prior meetings
H2H
5.0
6.5
Surface form
6.3
0.0
Win streak
Fatigue & Travel
8.5
Minutes 14d
7.6
7.0
3-set count
7.0
6.0
Prev. match
Context
5.0
Defending pts
5.0

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.

Freshness

Recent load
Freshness·Clear edge
80
96

Den Ouden G.: 4 days rest · 3 matches, 59 games (7d) · Blockx A.: 14 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast