Janice Tjen vs Sayaka Ishii — W35 Osaka Round of 16

W35 Osaka · CHALLENGER · Round of 16
INA
Janice Tjen
#39WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
0 — 0
Sets
Monday, 7 April 2025
hard
JPN
Sayaka Ishii
#860WTA
1387ELO
1389Hard ELO
20 yrs
Last 10 · pre-match
LLLLLLLLWL
Tjen J.
6-0 6-3
Ishii S.
Tjen J.
662
Ishii S.
03–

Janice Tjen defeated Sayaka Ishii 6-0 6-3 in the W35 Osaka round of 16 on hard. The result followed the form book — Janice Tjen came in ranked #39.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Tjen J.serving73% hold

wins 59% of points on serve vs Ishii S.

Ishii S.serving52% hold

wins 51% of points on serve vs Tjen J.

Serve advantage — Tjen J.

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

Tjen J.Ishii S.
52
Serve
—
13
Return
—

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

Statistics

This season
Tjen J.Ishii S.
1st serve in·Even
62%
62%
1st serve points won·Slight edge
69%
64%
2nd serve points won·Slight edge
51%
44%
Service points won·Slight edge
62%
57%
Return points won·Even
46%
42%
Break points saved·Even
56%
52%
Aces / match·Slight edge
3.4
2.2
Double faults / match·Clear edge
2.7
3.9

Averages over each player's completed matches in the selected window (97 vs 41). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Tjen J.
6.8
Slight advantageUmpiry Score
  • Extended break: 42 days (−0.7)
Ishii S.
5.2
Clear underdogUmpiry Score
Form & Matchup
8.6+295 Hard Elo edge
Surface ELO
1.4Hard Elo 1389
8.6Overall Elo 1658
ELO gap
1.4Overall Elo 1387
5.0No prior meetings
H2H
5.0
8.5
Surface form
4.6
0.0
Win streak
0.0Lost last 2
Context
5.0
Defending pts

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
Tjen J.Ishii S.
Freshness·Even
97
95

Tjen J.: 13 days rest · 1 match (14d) · Ishii S.: 6 days rest · 1 match, 17 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast

Draw

Final
Ma Y.
Liang E.
6-44-66-4
Semi-finals
Ma Y.
Tjen J.
6-16-1
Liang E.
Kuramochi M.
7-56-4
Quarter-finals
Ma Y.
Shimizu E.
3-66-47-5
Tjen J.
Ku Y.
6-16-2
Kuramochi M.
Guo H.
6-40-67-69
Liang E.
Kaji H.
6-16-2
R16
Ku Y.
Sakatsume H.
7-636-2
Kuramochi M.
Cabrera L.
3-66-47-5
Shimizu E.
Imamura S.
6-36-2
Guo H.
Wang M.
6-26-1
Tjen J.
Ishii S.
6-06-3
Kaji H.
Zhu L.
3-66-26-4
Liang E.
Yao X.
6-36-4
Ma Y.
Shimizu A.
6-26-4
R32
Liang E.
Kinoshita H.
6-46-2
Guo H.
Okamura K.
4-66-36-3
Sakatsume H.
Kawaguchi N.
6-26-2
Shimizu A.
Hartono A.
6-47-64
Kaji H.
Hosogi S.
6-16-2
Shimizu E.
Jang S.
6-26-4
Ishii S.
Saigo R.
6-07-5
Yao X.
Zheng W.
6-25-76-4
Cabrera L.
Arakawa H.
6-46-3
Imamura S.
Sato H.
6-26-2
Ma Y.
Koshiishi A.
3-66-46-1
Tjen J.
Akita S.
6-27-5
Wang M.
Kawamura M.
7-57-5
Ku Y.
Yamaguchi K.
6-46-3
Zhu L.
Matsuda R.
6-27-5
Kuramochi M.
Sema E.
5-76-36-2