Shintaro Mochizuki vs Damir DzumhurOstrava CH Quarter-final

Ostrava CH · CHALLENGER · Quarter-final
#151ATP
1475ELO
1433Clay ELO
$243kYTD
$1.6MCAREER
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWWWWWWLWW
2 — 1
Sets
Monday, 24 April 2023
clay
#105ATP
1638ELO
1594Clay ELO
$528kYTD
$6.9MCAREER
34 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWLLWWLLWL
Mochizuki S.
5-7 6-2 6-3
Dzumhur D.
Mochizuki S.
5662
Dzumhur D.
7231

Shintaro Mochizuki defeated Damir Dzumhur 5-7 6-2 6-3 in the Ostrava CH quarter-final on clay. The upset overturned the form book — Damir Dzumhur came in ranked #105.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Mochizuki S.serving61% hold

wins 54% of points on serve vs Dzumhur D.

Dzumhur D.serving63% hold

wins 55% of points on serve vs Mochizuki S.

Baseline battle — serve is shaky, expect plenty of breaks

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

Mochizuki S.Dzumhur D.
Serve
0
Return
58

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

Statistics

This season
1st serve in·Clear edge
55%
67%
1st serve points won·Even
67%
64%
2nd serve points won·Slight edge
48%
53%
Service points won·Even
59%
60%
Return points won·Even
41%
41%
Break points saved·Even
57%
58%
Aces / match·Clear edge
2.9
1.1
Double faults / match·Dominant
3.9
2.1

Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
52
70
Break points saved·Clear edge
74
87
Break points won·Slight edge
55
64
Deciding sets·Dominant
46
80
Tiebreaks·Slight edge
80
70

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

Umpiry Score

Pre-match
5.9
Even matchUmpiry Score
6.6
Marginal edgeUmpiry Score
Form & Matchup
3.2Clay Elo 1433
Surface ELO
6.8+161 Clay Elo edge
3.3Overall Elo 1475
ELO gap
6.7Overall Elo 1638
5.0No prior meetings
H2H
5.0
6.0
Surface form
5.4
0.0
Win streak
0.0
Fatigue & Travel
7.7
Minutes 14d
6.6
7.0
3-set count
7.0
Prev. match
6.0
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·Even
80
79

Mochizuki S.: 7 days rest · 1 match, 31 games (7d) · Dzumhur D.: 4 days rest · 2 matches, 43 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast