Lin Zhu vs Sayaka Ishii — W100 Tokyo Round of 32

W100 Tokyo · CHALLENGER · Round of 32
Lin Zhu
CHN
Lin Zhu
#130WTA
1674ELO
1647Hard ELO
32 yrs · 173 cm · Right-handed
Last 10 · pre-match
LWWLWLWWWL
0 — 0
Sets
Monday, 21 April 2025
hard
JPN
Sayaka Ishii
#860WTA
1387ELO
1389Hard ELO
20 yrs
Last 10 · pre-match
LLLLLLLLWL
Zhu L.
6-4 7-6
Ishii S.
Zhu L.
6772
Ishii S.
464–

Lin Zhu defeated Sayaka Ishii 6-4 7-6 in the W100 Tokyo round of 32 on hard. The result followed the form book — Lin Zhu came in ranked #130.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Zhu L.serving66% hold

wins 57% of points on serve vs Ishii S.

Ishii S.serving52% hold

wins 51% of points on serve vs Zhu L.

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

Serve & return on hard

Zhu L.Ishii S.
14
Serve
—
60
Return
—

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
Zhu L.Ishii S.
1st serve in·Slight edge
67%
62%
1st serve points won·Even
63%
64%
2nd serve points won·Slight edge
50%
43%
Service points won·Even
59%
56%
Return points won·Even
45%
42%
Break points saved·Slight edge
56%
51%
Aces / match·Even
2.3
2.2
Double faults / match·Dominant
2.0
3.8

Averages over each player's completed matches in the selected window (57 vs 41). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Zhu L.
6.5
Marginal edgeUmpiry Score
Ishii S.
5.3
Clear underdogUmpiry Score
Form & Matchup
7.4+258 Hard Elo edge
Surface ELO
2.6Hard Elo 1389
7.3Overall Elo 1674
ELO gap
2.7Overall Elo 1387
5.0No prior meetings
H2H
5.0
3.4
Surface form
3.8
Fatigue & Travel
7.0
3-set count
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.

Freshness

Recent load
Zhu L.Ishii S.
Freshness·Slight edge
100
95

Zhu L.: 19 days rest · Ishii S.: 6 days rest · 1 match, 17 games (7d). Higher means fresher. About

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