Kei Nishikori vs San Hui Sin — Yokohama CH Round of 16

Yokohama CH · CHALLENGER · Round of 16
JPN1
Kei Nishikori
#720ATP
1714ELO
1680Hard ELO
36 yrs · 178 cm · Right-handed
Last 10 · pre-match
LWLWLWWLWL
2 — 0
Sets
Monday, 17 November 2025
hard
KOR
San Hui Sin
1265ELO
1242Hard ELO
29 yrs · 178 cm · Right-handed
Last 10 · pre-match
LWWLLLLWLL
Nishikori K.
6-4 6-1
Sin S.
Nishikori K.
662
Sin S.
410

Kei Nishikori defeated San Hui Sin 6-4 6-1 in the Yokohama CH round of 16 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Nishikori K.serving73% hold

wins 60% of points on serve vs Sin S.

Sin S.serving69% hold

wins 58% of points on serve vs Nishikori K.

Serve advantage — Nishikori K.

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
Nishikori K.Sin S.
1st serve in·Even
63%
62%
1st serve points won·Slight edge
68%
63%
2nd serve points won·Even
49%
45%
Service points won·Slight edge
61%
56%
Return points won·Even
38%
41%
Break points saved·Even
54%
53%
Aces / match·Even
2.7
2.3
Double faults / match·Slight edge
2.3
1.9

Averages over each player's completed matches in the selected window (29 vs 28). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Nishikori K.
5.4
Clear underdogUmpiry Score
  • Extended break: 102 days (−1.5)
Sin S.
4.4
Heavy underdogUmpiry Score
Form & Matchup
10.0+438 Hard Elo edge
Surface ELO
0.0Hard Elo 1242
10.0Overall Elo 1714
ELO gap
0.0Overall Elo 1265
5.0No prior meetings
H2H
5.0
5.2
Surface form
3.0
0.0
Win streak
0.0Lost last 4
Fatigue & Travel
Minutes 14d
7.8
3-set count
7.0
Prev. match
9.0
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.

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Sakamoto R.[2]
Uchida K.[8]
4-67-646-4
Semi-finals
Uchida K.[8]
Ribeiro Marcondes I.
6-46-2
Sakamoto R.[2]
Santillan A.
3-66-16-3
Quarter-finals
Santillan A.
Kusuhara Y.
6-36-2
Uchida K.[8]
Nishikori K.[1]
6-26-2
Sakamoto R.[2]
Uchiyama Y.[7]
3-66-36-4
Ribeiro Marcondes I.
Oberleitner N.
6-16-3
R16
Nishikori K.[1]
Sin S.
6-46-1
Uchida K.[8]
Taguchi R.
7-56-4
Santillan A.
Bigun K.
6-36-1
Uchiyama Y.[7]
Vrbensky M.
6-36-3
Sakamoto R.[2]
Zhukov M.
6-16-2
Kusuhara Y.
Shimizu Y.[6]
6-36-3
Ribeiro Marcondes I.
Mochizuki Y.
6-27-65
Oberleitner N.
Shiraishi H.
7-54-66-3
R32
Bigun K.
Ymer E.[3]
3-0
Nishikori K.[1]
Ichikawa T.
4-66-16-1
Sin S.
Jones L.
3-66-16-2
Shiraishi H.
Basing M.
2-66-26-3
Santillan A.
Imamura M.
6-06-2
Uchiyama Y.[7]
Huang T.
6-47-611
Sakamoto R.[2]
Samrej K.
6-47-61
Taguchi R.
Jones M.
7-636-2
Uchida K.[8]
Chung H.
6-36-0
Ribeiro Marcondes I.
Crawford O.[4]
6-46-4
Shimizu Y.[6]
Takahashi Y.
6-26-2
Kusuhara Y.
Isomura K.
7-56-3
Vrbensky M.
Shin W.
6-36-3
Zhukov M.
Tabata R.
6-46-4
Oberleitner N.
Hsu Y.[5]
7-56-2
Mochizuki Y.
Yamasaki J.
6-47-65