Yasutaka Uchiyama vs Seong Chan Hong — Yokohama CH Round of 16

Yokohama CH · CHALLENGER · Round of 16
Yasutaka Uchiyama
JPN
Yasutaka Uchiyama
#336ATP
1463ELO
1431Hard ELO
33 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLLLLWWW
2 — 1
Sets
Monday, 20 November 2023
hard
KOR
Seong Chan Hong
29 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLWWLLWLWL
Uchiyama Y.
2-6 6-4 6-4
Hong S.
Uchiyama Y.
2662
Hong S.
6441

Yasutaka Uchiyama defeated Seong Chan Hong 2-6 6-4 6-4 in the Yokohama CH round of 16 on hard. The upset overturned the form book — Seong Chan Hong came in defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Uchiyama Y.serving83% hold

wins 65% of points on serve vs Hong S.

Hong S.serving82% hold

wins 64% of points on serve vs Uchiyama Y.

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
Uchiyama Y.Hong S.
1st serve in·Even
61%
61%
1st serve points won·Slight edge
74%
67%
2nd serve points won·Even
52%
51%
Service points won·Even
65%
61%
Return points won·Even
36%
39%
Break points saved·Even
63%
60%
Aces / match·Clear edge
6.9
4.1
Double faults / match·Even
2.0
2.1

Averages over each player's completed matches in the selected window (181 vs 126). ATP, WTA & Challenger.

Clutch

Under pressure
Uchiyama Y.Hong S.
Clutch Rating·Clear edge
30
52
Break points saved·Clear edge
91
77
Break points won·Dominant
2
30
Deciding sets·Clear edge
45
65
Tiebreaks·Dominant
23
80

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

Umpiry Score

Pre-match
Uchiyama Y.
6.6
Marginal edgeUmpiry ScorePartial · surface data limited
Hong S.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
10.0No prior meetings
H2H
0.0
5.2
Surface form
4.1
Win streak
0.0
Fatigue & Travel
5.4
Minutes 14d
6.5
3-set count
7.0
8.0
Prev. match
9.0
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.

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Watanuki Y.[1]
Shimizu Y.
7-656-4
Semi-finals
Shimizu Y.
Uchiyama Y.
W/O
Watanuki Y.[1]
Mmoh M.[3]
6-46-726-0
Quarter-finals
Uchiyama Y.
Tu L.
7-617-5
Shimizu Y.
Wong C.
7-676-717-64
Watanuki Y.[1]
Fonio G.
3-66-26-1
Mmoh M.[3]
Nardi L.[6]
7-662-66-4
R16
Wong C.
Duckworth J.[4]
W/O
Fonio G.
Riedi L.[8]
4-67-646-4
Shimizu Y.
Polmans M.[7]
6-46-4
Mmoh M.[3]
Blancaneaux G.
6-45-77-63
Watanuki Y.[1]
Erhard M.
6-46-3
Nardi L.[6]
Ivanovski K.
6-26-4
Uchiyama Y.
Hong S.
2-66-46-4
Tu L.
Martin A.
2-66-47-5
R32
Watanuki Y.[1]
Hsu Y.
6-36-3
Hong S.
Rodionov J.[2]
7-667-66
Wong C.
Celikbilek A.
2-66-36-2
Mmoh M.[3]
Echargui M.
6-16-2
Duckworth J.[4]
Kolar Z.
6-26-746-2
Uchiyama Y.
Imamura M.
6-16-1
Tu L.
Sakamoto R.
6-46-3
Martin A.
Nakagawa N.
7-651-66-2
Blancaneaux G.
Jasika O.
6-46-716-3
Riedi L.[8]
Noguchi R.
6-26-2
Fonio G.
Holmgren A.
6-46-1
Erhard M.
Sinclair C.
6-36-2
Ivanovski K.
Bergs Z.
6-15-76-2
Polmans M.[7]
Ilkel C.
6-16-0
Shimizu Y.
Jung J.
6-47-5