Jason Jung vs Shintaro MochizukiAtlanta Qualifying Round 1

Atlanta · ATP · Qualifying Round 1
#896ATP
1420ELO
1389Hard ELO
37 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWWWLLLLLL
2 — 0
Sets
Monday, 24 July 2023
hard
#115ATP
1475ELO
1425Hard ELO
$243kYTD
$1.6MCAREER
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWWWWWWLWW
Jung J.
7-6 6-4
Mochizuki S.
Jung J.
7762
Mochizuki S.
6340

Jason Jung defeated Shintaro Mochizuki 7-6 6-4 in the Atlanta qualifying round 1 on hard. The upset overturned the form book — Shintaro Mochizuki came in ranked #115.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Jung J.serving72% hold

wins 59% of points on serve vs Mochizuki S.

Mochizuki S.serving70% hold

wins 58% of points on serve vs Jung J.

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

Statistics

This season
1st serve in·Slight edge
65%
55%
1st serve points won·Even
67%
67%
2nd serve points won·Even
50%
48%
Service points won·Even
61%
59%
Return points won·Even
40%
41%
Break points saved·Even
56%
57%
Aces / match·Even
2.6
2.9
Double faults / match·Clear edge
2.6
3.9

Averages over each player's completed matches in the selected window (75 vs 199). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
21
52
Break points saved·Slight edge
64
74
Break points won·Dominant
8
55
Deciding sets·Dominant
21
47
Tiebreaks·Slight edge
69
80

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

Umpiry Score

Pre-match
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.5
Surface form
6.6
0.0
Win streak
0.0
Fatigue & Travel
5.8
Minutes 14d
9.2
7.0
3-set count
8.0
Prev. match
9.0
Surface transition
7.0
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·Slight edge
78
86

Jung J.: 5 days rest · 3 matches, 61 games (7d) · Mochizuki S.: 9 days rest · 3 matches (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast