Ji Sung Nam vs Hiroki MoriyaSeoul CH Qualifying Round 1

Seoul CH · CHALLENGER · Qualifying Round 1
32 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLLWWLLL
2 — 0
Sets
Monday, 24 April 2023
hard
#507ATP
1353ELO
1321Hard ELO
35 yrs · 168 cm · Right-handed
Last 10 · pre-match
LWLWLWLLLL
Nam J.
6-2 6-2
Moriya H.
Nam J.
662
Moriya H.
220

Ji Sung Nam defeated Hiroki Moriya 6-2 6-2 in the Seoul CH qualifying round 1 on hard. The upset overturned the form book — Hiroki Moriya came in defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Nam J.serving68% hold

wins 57% of points on serve vs Moriya H.

Moriya H.serving68% hold

wins 57% of points on serve vs Nam J.

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

Statistics

This season
1st serve in·Even
60%
59%
1st serve points won·Even
68%
65%
2nd serve points won·Even
47%
48%
Service points won·Even
59%
58%
Return points won·Even
40%
41%
Break points saved·Even
55%
57%
Aces / match·Clear edge
3.3
1.8
Double faults / match·Slight edge
3.4
2.9

Averages over each player's completed matches in the selected window (81 vs 154). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
0
1
Break points saved·Slight edge
26
35
Break points won·Clear edge
21
9
Deciding sets·Clear edge
14
29
Tiebreaks·Slight edge
12
5

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

Umpiry Score

Pre-match
5.3
Clear underdogUmpiry ScorePartial · surface data limited
4.4
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 56 days (−0.7)
Form & Matchup
5.0No prior meetings
H2H
5.0
2.6
Surface form
2.5
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
8.1
Minutes 14d
7.0
3-set count
4.0
Prev. match
6.0
Surface transition
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·
56

Moriya H.: 1 day rest · 3 matches, 84 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast