Rei Sakamoto vs Yasutaka Uchiyama — Yokohama CH Quarter-final

Yokohama CH · CHALLENGER · Quarter-final
JPN2
Rei Sakamoto
#150ATP
1608ELO
1589Hard ELO
$233kYTD
$492kCAREER
20 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWLWWLLWWW
2 — 1
Sets
Monday, 17 November 2025
hard
Yasutaka Uchiyama
JPN7
Yasutaka Uchiyama
#326ATP
1463ELO
1431Hard ELO
33 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLLLLWWW
Sakamoto R.
3-6 6-3 6-4
Uchiyama Y.
Sakamoto R.
3662
Uchiyama Y.
6341

Rei Sakamoto defeated Yasutaka Uchiyama 3-6 6-3 6-4 in the Yokohama CH quarter-final on hard. The result followed the form book — Rei Sakamoto came in ranked #150, defending last year's quarter-final.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Sakamoto R.serving89% hold

wins 69% of points on serve vs Uchiyama Y.

Uchiyama Y.serving85% hold

wins 66% of points on serve vs Sakamoto R.

Serve-dominated — both hold easily, expect tiebreaks

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
Sakamoto R.Uchiyama Y.
1st serve in·Even
63%
59%
1st serve points won·Even
73%
74%
2nd serve points won·Even
51%
51%
Service points won·Even
65%
64%
Return points won·Even
37%
35%
Break points saved·Even
61%
62%
Aces / match·Even
6.9
7.3
Double faults / match·Slight edge
2.1
2.5

Averages over each player's completed matches in the selected window (87 vs 72). ATP, WTA & Challenger.

Clutch

Under pressure
Sakamoto R.Uchiyama Y.
Clutch Rating·Clear edge
49
30
Break points saved·Even
87
91
Break points won·Slight edge
8
2
Deciding sets·Dominant
93
45
Tiebreaks·Even
23
24

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

Umpiry Score

Pre-match
Sakamoto R.
6.3
Marginal edgeUmpiry Score
Uchiyama Y.
5.4
Clear underdogUmpiry Score
Form & Matchup
6.8+159 Hard Elo edge
Surface ELO
3.2Hard Elo 1431
6.8Overall Elo 1608
ELO gap
3.2Overall Elo 1463
0.0No prior meetings
H2H
10.0
4.9
Surface form
2.7
Win streak
0.0
Fatigue & Travel
5.7
Minutes 14d
6.2
0.0
3-set count
4.0
6.0
Prev. match
6.0
Context
7.0
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
Sakamoto R.Uchiyama Y.
Freshness·
92
—

Sakamoto R.: 9 days rest · 2 matches (14d). Higher means fresher. About

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