Hikaru Sato vs Ayano Shimizu — W100 Takasaki Round of 16

W100 Takasaki · CHALLENGER · Round of 16
JPN
Hikaru Sato
#516WTA
27 yrs · 174 cm
Last 10 · pre-match
LWLWLLWWLL
0 — 0
Sets
Monday, 18 May 2026
hard
JPN
Ayano Shimizu
#476WTA
1347ELO
1315Hard ELO
28 yrs · Right-handed
Last 10 · pre-match
WLWLWLLWWW
Sato H.
6-3 6-4
Shimizu A.
Sato H.
662
Shimizu A.
34–

Hikaru Sato defeated Ayano Shimizu 6-3 6-4 in the W100 Takasaki round of 16 on hard. The upset overturned the form book — Ayano Shimizu came in ranked #476, defending last year's round of 32.

Key context

  • Match story: Hikaru Sato closed it out in two sets, 6–3 6–4.

Head to head

No previous meetings on record.

Serve vs return

This season
Sato H.serving61% hold

wins 55% of points on serve vs Shimizu A.

Shimizu A.serving60% hold

wins 54% of points on serve vs Sato H.

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
Sato H.Shimizu A.
1st serve in·Slight edge
58%
65%
1st serve points won·Slight edge
67%
59%
2nd serve points won·Even
44%
44%
Service points won·Even
57%
54%
Return points won·Even
41%
43%
Break points saved·Clear edge
58%
44%
Aces / match·Clear edge
3.1
0.5
Double faults / match·Slight edge
3.5
3.0

Averages over each player's completed matches in the selected window (15 vs 12). ATP, WTA & Challenger.

Conditions

Court speed
Medium-fastrewards aggression
SlowFast

Draw

Final
Naito Y.
Ryser V.
6-46-3
Semi-finals
Naito Y.
Kobori M.
6-756-46-4
Ryser V.
Kaji H.
6-36-3
Quarter-finals
Kaji H.
Saigo R.
6-06-4
Kobori M.
Sato H.
6-36-4
Ryser V.
Kinoshita H.
6-46-4
Naito Y.
Serban R.
6-36-4
R16
Naito Y.
Shimizu E.
7-56-4
Saigo R.
Park S.
2-65-0
Kobori M.
Yamaguchi M.
6-46-3
Kaji H.
Tian F.
6-06-4
Sato H.
Shimizu A.
6-36-4
Kinoshita H.
Saito S.
6-16-3
Ryser V.
Kawaguchi N.
7-56-2
Serban R.
Koike E.
4-67-56-4
R32
Saigo R.
Ren Y.
6-26-4
Park S.
Cabrera L.
7-50-66-1
Saito S.
Miyazaki Y.
6-736-46-2
Yamaguchi M.
Lansere S.
6-36-2
Serban R.
Dunne K.
6-06-2
Tian F.
Micic E.
6-36-4
Kaji H.
Matsuda M.
6-27-61
Kobori M.
Yamazaki I.
6-07-66
Naito Y.
Inoue H.
6-787-56-4
Sato H.
Sawangkaew M.
6-33-66-3
Koike E.
Sema E.
6-33-67-5
Shimizu A.
Sawashiro K.
6-06-3
Kawaguchi N.
Ishii S.
6-37-62
Kinoshita H.
Mushika M.
5-3
Ryser V.
Okamura K.
4-66-46-3
Shimizu E.
Shi H.
4-66-16-2