Wakana Sonobe vs Arianne Hartono — W100 Tokyo Quarter-final

W100 Tokyo · CHALLENGER · Quarter-final
JPN
Wakana Sonobe
#631WTA
1506ELO
1523Hard ELO
18 yrs · Left-handed
Last 10 · pre-match
LWLLLWLWWL
0 — 0
Sets
Monday, 21 April 2025
hard
NED
Arianne Hartono
#418WTA
1453ELO
1436Hard ELO
30 yrs · Right-handed
Last 10 · pre-match
LWLLWWLLWL
Sonobe W.
6-2 6-3
Hartono A.
Sonobe W.
662
Hartono A.
23–

Wakana Sonobe defeated Arianne Hartono 6-2 6-3 in the W100 Tokyo quarter-final on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Sonobe W.serving60% hold

wins 54% of points on serve vs Hartono A.

Hartono A.serving53% hold

wins 51% 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.Hartono A.
1st serve in·Even
57%
57%
1st serve points won·Even
65%
64%
2nd serve points won·Even
45%
44%
Service points won·Even
57%
55%
Return points won·Even
44%
43%
Break points saved·Even
55%
55%
Aces / match·Even
3.3
2.8
Double faults / match·Clear edge
4.0
4.9

Averages over each player's completed matches in the selected window (28 vs 52). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Sonobe W.
5.9
Even matchUmpiry Score
  • Extended break: 28 days (−0.3)
Hartono A.
5.7
Slight disadvantageUmpiry Score
Form & Matchup
6.1+88 Hard Elo edge
Surface ELO
3.9Hard Elo 1436
5.7Overall Elo 1506
ELO gap
4.3Overall Elo 1453
5.0No prior meetings
H2H
5.0
6.0
Surface form
4.3
0.0
Win streak
0.0Lost last 3
Context
5.0
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.

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