Zhizhen Zhang vs Zizou BergsUnited Cup Round Robin

United Cup · ATP · Round Robin
#161ATP
1682ELO
1642Hard ELO
$546kYTD
$4.6MCAREER
29 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWWWWWLWW
2 — 1
Sets
Monday, 5 January 2026
hard
#37ATP
1808ELO
1757Hard ELO
$995kYTD
$4.0MCAREER
27 yrs · 185 cm · Right-handed
Last 10 · pre-match
LWWWWWWWLL
Zhang Z.
6-7 7-6 7-5
Bergs Z.
Zhang Z.
627772
Bergs Z.
776351

Zhizhen Zhang defeated Zizou Bergs 6-7 7-6 7-5 in the United Cup round robin on hard. The upset overturned the form book — Zizou Bergs came in ranked #37, leading the head-to-head 2–0. Zhizhen Zhang claimed a first win over Zizou Bergs in three meetings, narrowing the head-to-head to 2–1.

Key context

Head to head

02
DateTournamentRoundSurfaceWinnerScore
2025-02-10MarseilleQFhardZizou Bergs7-5 0-0 RET
2024-10-02Shanghai MastersR128hardZizou Bergs6-4 6-3

Serve vs return

This season
Zhang Z.serving85% hold

wins 66% of points on serve vs Bergs Z.

Bergs Z.serving89% hold

wins 69% of points on serve vs Zhang 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

Serve & return on hard

Zhang Z.Bergs Z.
24
Serve
25
0
Return
40

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

Statistics

This season
1st serve in·Slight edge
63%
57%
1st serve points won·Even
73%
73%
2nd serve points won·Even
49%
53%
Service points won·Even
64%
64%
Return points won·Even
34%
37%
Break points saved·Even
61%
61%
Aces / match·Slight edge
7.6
6.5
Double faults / match·Dominant
1.8
4.1

Averages over each player's completed matches in the selected window (24 vs 24). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
56
69
Break points saved·Even
94
95
Break points won·Slight edge
14
21
Deciding sets·Even
91
92
Tiebreaks·Dominant
43
91

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

Umpiry Score

Pre-match
3.2
Heavy underdogUmpiry Score
  • Extended break: 96 days (−1.5)
5.7
Slight disadvantageUmpiry Score
  • Extended break: 45 days (−0.7)
Form & Matchup
3.7Hard Elo 1642
Surface ELO
6.3+115 Hard Elo edge
3.8Overall Elo 1682
ELO gap
6.2Overall Elo 1808
0.0
H2H
10.0
2.5
Surface form
5.3
0.0Lost last 2
Win streak
0.0
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·Dominant
100
70

Zhang Z.: 19 days rest · Bergs Z.: 7 days rest · 1 match, 54 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
25°CPartly cloudy
Wind 11 km/hHumidity 65%