Gabriel Diallo vs Yunseong ChungBusan CH Round of 16

Busan CH · CHALLENGER · Round of 16
#93ATP
1716ELO
1678Hard ELO
$480kYTD
$3.1MCAREER
24 yrs · 203 cm · Right-handed
Last 10 · pre-match
LWLWWLLLLL
2 — 0
Sets
Monday, 8 May 2023
hard
28 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLLWLLLWWW
Diallo G.
7-6 7-6
Chung Y.
Diallo G.
77772
Chung Y.
65640

Gabriel Diallo defeated Yunseong Chung 7-6 7-6 in the Busan CH round of 16 on hard. The upset overturned the form book — Yunseong Chung came in defending last year's round of 16.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Diallo G.serving85% hold

wins 66% of points on serve vs Chung Y.

Chung Y.serving82% hold

wins 64% of points on serve vs Diallo G.

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

Serve & return on hard

Diallo G.Chung Y.
38
Serve
14
Return

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

Statistics

This season
1st serve in·Even
67%
64%
1st serve points won·Slight edge
73%
68%
2nd serve points won·Even
51%
51%
Service points won·Even
66%
62%
Return points won·Even
37%
39%
Break points saved·Even
61%
58%
Aces / match·Dominant
8.4
3.5
Double faults / match·Slight edge
2.8
2.2

Averages over each player's completed matches in the selected window (199 vs 34). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
64
8
Break points saved·Dominant
96
41
Break points won·Clear edge
24
8
Deciding sets·Dominant
87
9
Tiebreaks·Even
68
71

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

Umpiry Score

Pre-match
6.3
Marginal edgeUmpiry ScorePartial · surface data limited
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
4.7
Surface form
6.7
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
7.5
Minutes 14d
4.8
7.0
3-set count
7.0
9.0
Prev. match
8.0
Context
5.0
Defending pts
6.0

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·
89

Diallo G.: 12 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast