Wakana Sonobe vs Ayumi Koshiishi — W100 Tokyo Round of 32

W100 Tokyo · CHALLENGER · Round of 32
JPN
Wakana Sonobe
#631WTA
1506ELO
1523Hard ELO
18 yrs · Left-handed
Last 10 · pre-match
LWLLLWLWWL
0 — 0
Sets
Monday, 21 April 2025
hard
JPN
Ayumi Koshiishi
#691WTA
1224ELO
1213Hard ELO
25 yrs
Last 10 · pre-match
LWWLLLLWLW
Sonobe W.
6-4 6-1
Koshiishi A.
Sonobe W.
662
Koshiishi A.
41–

Wakana Sonobe defeated Ayumi Koshiishi 6-4 6-1 in the W100 Tokyo round of 32 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Sonobe W.serving55% hold

wins 52% of points on serve vs Koshiishi A.

Koshiishi A.serving46% hold

wins 48% of points on serve vs Sonobe W.

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
Sonobe W.Koshiishi A.
1st serve in·Slight edge
57%
62%
1st serve points won·Slight edge
65%
59%
2nd serve points won·Even
45%
41%
Service points won·Slight edge
57%
52%
Return points won·Even
44%
45%
Break points saved·Slight edge
55%
48%
Aces / match·Slight edge
3.2
2.2
Double faults / match·Clear edge
4.0
2.7

Averages over each player's completed matches in the selected window (28 vs 44). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Sonobe W.
5.6
Slight disadvantageUmpiry ScorePartial · surface data limited
  • Extended break: 28 days (−0.3)
Koshiishi A.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.0
Surface form
3.4
0.0
Win streak
0.0Lost last 4
Fatigue & Travel
3-set count
7.0
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
Fastbig serves, short points
SlowFast

Draw

Final
Sonobe W.
Shibahara E.
6-46-716-3
Semi-finals
Sonobe W.
Gibson T.
7-56-4
Shibahara E.
Ito A.
6-34-67-64
Quarter-finals
Sonobe W.
Hartono A.
6-26-3
Shibahara E.
Inglis M.
6-36-3
Ito A.
Watson H.
6-36-3
Gibson T.
Marino R.
7-636-747-63
R16
Watson H.
Yao X.
7-56-4
Inglis M.
Tararudee L.
6-46-2
Gibson T.
Park S.
6-27-5
Sonobe W.
Zhu L.
6-24-67-5
Shibahara E.
Jones E.
6-776-16-1
Hartono A.
Hontama M.
6-36-4
Ito A.
Yamaguchi M.
6-26-726-4
Marino R.
Kaji H.
6-36-4
R32
Sonobe W.
Koshiishi A.
6-46-1
Inglis M.
Kinoshita H.
6-26-2
Tararudee L.
Okamura K.
6-46-3
Yamaguchi M.
Shimizu E.
6-41-66-4
Yao X.
Aiava D.
4-66-36-1
Watson H.
Diyas Z.
6-26-0
Kaji H.
Ma Y.
6-26-3
Gibson T.
Shi H.
7-56-3
Zhu L.
Ishii S.
6-47-64
Park S.
Saito S.
7-56-2
Ito A.
Bektas E.
6-36-4
Shibahara E.
Koike E.
6-16-4
Hontama M.
Nishimura K.
7-666-0
Hartono A.
Sawangkaew M.
6-46-1
Jones E.
Inoue H.
4-66-06-4
Marino R.
Shimizu A.
4-66-26-3