Haruka Kaji vs Hikaru SatoW35 Osaka Round of 16

W35 Osaka · CHALLENGER · Round of 16
#270WTA
1421ELO
1412Hard ELO
31 yrs · Right-handed
Last 10 · pre-match
LWWWLWLWLW
2 — 1
Sets
Monday, 6 April 2026
hard
#501WTA
27 yrs · 174 cm
Last 10 · pre-match
LWLWWLLWWL
Kaji H.
6-7 6-3 6-3
Sato H.
Kaji H.
66662
Sato H.
78331

Haruka Kaji defeated Hikaru Sato 6-7 6-3 6-3 in the W35 Osaka round of 16 on hard. The result followed the form book — Haruka Kaji came in ranked #270, defending last year's quarter-final.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kaji H.serving58% hold

wins 53% of points on serve vs Sato H.

Sato H.serving56% hold

wins 52% of points on serve vs Kaji 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
1st serve in·Slight edge
68%
58%
1st serve points won·Slight edge
58%
67%
2nd serve points won·Even
48%
44%
Service points won·Even
55%
57%
Return points won·Even
45%
42%
Break points saved·Slight edge
51%
59%
Aces / match·Clear edge
1.2
3.1
Double faults / match·Clear edge
2.1
3.4

Averages over each player's completed matches in the selected window (26 vs 15). ATP, WTA & Challenger.

Umpiry Score

Pre-match
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
5.3
Clear underdogUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.5
Surface form
2.2
Win streak
0.0Lost last 5
Context
7.0
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