Zizou Bergs vs Reilly Opelka — s Hertogenbosch Semi-final

s Hertogenbosch · ATP · Semi-final
Zizou Bergs
BEL8
Zizou Bergs
#37ATP
1808ELO
1712Grass ELO
$995kYTD
$4.0MCAREER
27 yrs · 185 cm · Right-handed
Last 10 · pre-match
LWWWWWWWLL
2 — 0
Sets
Monday, 9 June 2025
grass
Reilly Opelka
USALL
Reilly Opelka
#115ATP
1749ELO
1635Grass ELO
$325kYTD
$6.0MCAREER
28 yrs · 211 cm · Right-handed
Last 10 · pre-match
LLLLWWLWLW
Bergs Z.
6-1 6-4
Opelka R.
Bergs Z.
662
Opelka R.
140

Zizou Bergs defeated Reilly Opelka 6-1 6-4 in the s Hertogenbosch semi-final on grass. The result followed the form book — Zizou Bergs came in ranked #37, leading the head-to-head 1–0, defending last year's round of 16. Zizou Bergs extended the head-to-head to 2–0.

Key context

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2024-08-19Winston-SalemR64hardZizou Bergs6-4 3-6 7-6(1)

Serve vs return

This season
Bergs Z.serving96% hold

wins 77% of points on serve vs Opelka R.

Opelka R.serving95% hold

wins 75% of points on serve vs Bergs Z.

Serve-dominated — both hold easily, expect tiebreaks

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

Statistics

This season
Bergs Z.Opelka R.
1st serve in·Slight edge
57%
64%
1st serve points won·Slight edge
72%
79%
2nd serve points won·Even
51%
52%
Service points won·Slight edge
63%
70%
Return points won·Slight edge
37%
28%
Break points saved·Clear edge
61%
74%
Aces / match·Dominant
6.5
17.1
Double faults / match·Even
4.3
4.0

Averages over each player's completed matches in the selected window (78 vs 67). ATP, WTA & Challenger.

Clutch

Under pressure
Bergs Z.Opelka R.
Clutch Rating·Slight edge
69
63
Break points saved·Slight edge
95
100
Break points won·Clear edge
21
1
Deciding sets·Even
92
88
Tiebreaks·Even
91
93

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

Umpiry Score

Pre-match
Bergs Z.
5.1
Clear underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
Opelka R.
4.9
Heavy underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
5.3+77 Grass Elo edge
Surface ELO
4.7Grass Elo 1635
5.4Overall Elo 1808
ELO gap
4.6Overall Elo 1749
5.0
H2H
5.0
6.3
Surface form
4.9
0.0Lost last 4
Win streak
Fatigue & Travel
7.0
3-set count
4.0
3.0
Surface transition
3.0
Context
6.0
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
Bergs Z.Opelka R.
Freshness·
70
—

Bergs Z.: 7 days rest · 1 match, 54 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Final
Diallo G.
Bergs Z.[8]
7-57-68
Semi-finals
Bergs Z.[8]
Opelka R.
6-16-4
Diallo G.
Humbert U.[5]
6-37-64
Quarter-finals
Opelka R.
Medvedev D.[3]
7-657-65
Bergs Z.[8]
Lajal M.
7-627-64
Diallo G.
Khachanov K.[3]
7-666-4
Humbert U.[5]
Borges N.[7]
6-16-4
R16
Bergs Z.[8]
Popyrin A.[4]
6-736-27-63
Borges N.
Virtanen O.
W/O
Lajal M.
Hurkacz H.[5]
W/O
Opelka R.
Jarry N.
7-656-3
Diallo G.
Thompson J.[6]
4-66-17-5
Medvedev D.[3]
Mannarino A.
7-666-4
Khachanov K.[3]
Mcdonald M.
6-35-77-64
Humbert U.[5]
Evans D.
7-56-3
R32
Thompson J.[6]
Kovacevic A.
6-46-4
Diallo G.
Vukic A.
7-57-62
Hurkacz H.[5]
Bautista Agut R.
7-626-4
Lajal M.
Djere L.
6-26-4
Mcdonald M.
Bellucci M.
6-16-746-3
Jarry N.
Darderi L.[8]
5-76-47-63
Mannarino A.
Oconnell C.
6-16-3
Borges N.[7]
Basavareddy N.
7-626-2
Bergs Z.[8]
Blockx A.
6-31-67-63
Evans D.
Hijikata R.
3-66-46-3
Virtanen O.
Etcheverry T.
7-667-5
Opelka R.
De Jong J.
6-757-656-2