Dominik Koepfer vs Zizou Bergs — Calgary CH Quarter-final

Calgary CH · CHALLENGER · Quarter-final
GER1
Dominik Koepfer
#1085ATP
32 yrs · 180 cm · Left-handed
Last 10 · pre-match
LWWLWLWLWW
2 — 0
Sets
Monday, 6 November 2023
hard
Zizou Bergs
BEL6
Zizou Bergs
#35ATP
1808ELO
1757Hard ELO
$995kYTD
$4.0MCAREER
27 yrs · 185 cm · Right-handed
Last 10 · pre-match
LWWWWWWWLL
Koepfer D.
6-1 6-3
Bergs Z.
Koepfer D.
662
Bergs Z.
130

Dominik Koepfer defeated Zizou Bergs 6-1 6-3 in the Calgary CH quarter-final on hard. The upset overturned the form book — Zizou Bergs came in ranked #35.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Koepfer D.serving83% hold

wins 65% of points on serve vs Bergs Z.

Bergs Z.serving85% hold

wins 66% of points on serve vs Koepfer D.

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

Serve & return on hard

Koepfer D.Bergs Z.
—
Serve
25
—
Return
40

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

Statistics

This season
Koepfer D.Bergs Z.
1st serve in·Even
62%
61%
1st serve points won·Even
71%
73%
2nd serve points won·Even
52%
52%
Service points won·Even
64%
65%
Return points won·Even
38%
38%
Break points saved·Even
61%
61%
Aces / match·Clear edge
4.3
6.6
Double faults / match·Even
3.5
3.5

Averages over each player's completed matches in the selected window (111 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Koepfer D.Bergs Z.
Clutch Rating·Even
71
69
Break points saved·Even
94
95
Break points won·Slight edge
28
21
Deciding sets·Even
95
92
Tiebreaks·Even
87
91

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

Umpiry Score

Pre-match
Koepfer D.
6.2
Even matchUmpiry ScorePartial · surface data limited
Bergs Z.
5.5
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
4.4
Surface form
1.9
0.0Lost last 2
Win streak
0.0Lost last 3
Fatigue & Travel
6.8
Minutes 14d
4.0
3-set count
9.0
Prev. match
7.0
Context
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
Koepfer D.Bergs Z.
Freshness·
—
79

Bergs Z.: 9 days rest · 3 matches (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Final
Draxl L.
Koepfer D.[1]
6-46-3
Semi-finals
Koepfer D.[1]
Diallo G.
W/O
Draxl L.
Martin A.
7-655-76-3
Quarter-finals
Draxl L.
Montes De La Torre I.
7-55-76-1
Koepfer D.[1]
Bergs Z.[6]
6-16-3
Diallo G.
Dougaz A.[8]
6-36-2
Martin A.
Wallart E.
6-16-1
R16
Martin A.
Samuel T.
7-56-4
Wallart E.
Kasnikowski M.
7-697-64
Dougaz A.[8]
Diez S.
6-36-2
Koepfer D.[1]
Chidekh C.
6-36-3
Draxl L.
Saville L.
6-16-2
Bergs Z.[6]
Pannu K.
6-47-5
Montes De La Torre I.
Duckworth J.[2]
6-36-2
Diallo G.
Sousa J.
5-77-56-3
R32
Samuel T.
Seggerman R.
7-667-68
Kasnikowski M.
Paire B.[3]
6-36-736-3
Diez S.
Aguilar J.
6-31-66-3
Sousa J.
Brady P.
5-76-46-2
Diallo G.
Paulson A.
4-67-686-4
Wallart E.
Durasovic V.
1-67-56-3
Draxl L.
Coppejans K.[7]
6-46-1
Pannu K.
Jorda Sanchis D.
6-16-4
Duckworth J.[2]
Tu L.
6-26-4
Montes De La Torre I.
Boulais J.
6-46-1
Saville L.
Schoolkate T.
7-674-66-3
Martin A.
Peniston R.[5]
6-36-4
Dougaz A.[8]
Martin D.
6-27-5
Bergs Z.[6]
Lock B.
6-736-36-3
Chidekh C.
Vrbensky M.
6-46-2
Koepfer D.[1]
Broom C.
6-26-3