Janice Tjen vs Yeon Woo Ku — W35 Taipei Round of 16

W35 Taipei · CHALLENGER · Round of 16
INA
Janice Tjen
#42WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
2 — 1
Sets
Monday, 23 June 2025
hard
KOR
Yeon Woo Ku
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
LLWWWWWWWW
Tjen J.
3-6 6-1 7-6
Ku Y.
Tjen J.
36772
Ku Y.
61601

Janice Tjen defeated Yeon Woo Ku 3-6 6-1 7-6 in the W35 Taipei round of 16 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Tjen J.serving56% hold

wins 53% of points on serve vs Ku Y.

Ku Y.serving49% hold

wins 50% of points on serve vs Tjen J.

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

Tjen J.Ku Y.
53
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.Ku Y.
1st serve in·Even
62%
66%
1st serve points won·Slight edge
69%
61%
2nd serve points won·Even
51%
47%
Service points won·Slight edge
62%
56%
Return points won·Even
46%
49%
Break points saved·Even
57%
56%
Aces / match·Clear edge
3.4
1.1
Double faults / match·Slight edge
2.7
3.2

Averages over each player's completed matches in the selected window (97 vs 89). ATP, WTA & Challenger.

Clutch

Under pressure
Tjen J.Ku Y.
Clutch Rating·Dominant
78
50
Break points saved·Dominant
84
51
Break points won·Even
85
86
Deciding sets·Clear edge
75
63
Tiebreaks·
99
—

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Tjen J.
9.0
Dominant favouriteUmpiry Score
Ku Y.
5.0
Heavy underdogUmpiry Score
Form & Matchup
9.9+184 Hard Elo edge
Surface ELO
0.1Hard Elo 1500
10.0Overall Elo 1658
ELO gap
0.0Overall Elo 1519
10.0No prior meetings
H2H
0.0
10.0
Surface form
8.5
10.020-match win streak
Win streak
9.06-match win streak
Context
5.0
Defending pts
6.0
2.0
Opponent rise

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.Ku Y.
Freshness·Slight edge
93
100

Tjen J.: 10 days rest · 2 matches (14d) · Ku Y.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw

Final
Ku Y.
Saigo R.
6-16-4
Tjen J.
Kobori M.
4-66-16-2
Semi-finals
Saigo R.
Matsuda M.
7-636-2
Ku Y.
Back D.
7-646-1
Tjen J.
Park S.
6-46-4
Kobori M.
Shimizu E.
6-756-16-1
Quarter-finals
Back D.
Lin F.
6-736-16-2
Matsuda M.
Shimizu E.
6-46-4
Saigo R.
Yang V.
6-46-1
Ku Y.
Shimizu A.
6-06-2
Park S.
Saigo R.
6-36-0
Tjen J.
Kawaguchi N.
6-16-0
Shimizu E.
Hosogi S.
6-26-1
Kobori M.
Shimizu A.
6-33-66-4
R16
Lin F.
Lee E.
7-654-66-3
Shimizu A.
Kuramochi M.
5-77-631-0
Shimizu E.
Muramatsu C.
6-30-66-3
Saigo R.
Kitahara Y.
6-26-0
Matsuda M.
Hosogi S.
6-26-0
Yang V.
Park S.
3-67-56-2
Ku Y.
Chaudhari V.
6-36-1
Back D.
Morvayova V.
4-66-07-5
Tjen J.
Ku Y.
3-66-17-60
Park S.
Yang Y.
6-06-1
Saigo R.
Lee C.
1-66-36-4
Kawaguchi N.
Akita S.
6-36-4
Shimizu E.
Kummel A.
6-27-5
Kobori M.
Chaudhari V.
7-55-76-3
Hosogi S.
Kim D.
6-46-3
Shimizu A.
Muramatsu C.
1-66-26-0
R32
Lin F.
Barry M.
6-46-3
Hosogi S.
Lin Y.
6-25-77-66
Kitahara Y.
Nepliy E.
6-736-46-2
Chaudhari V.
Namigata J.
7-56-0
Lee E.
Korhonen C.
6-36-3
Yang V.
Aikawa M.
7-57-62
Kuramochi M.
Defalco J.
4-66-16-0
Saigo R.
Shek C.
6-26-1
Shimizu A.
Tsai Y.
6-36-1
Park S.
Yang Y.
6-37-64
Shimizu E.
Kawaguchi N.
6-26-2
Muramatsu C.
Rioux L.
3-66-46-4
Matsuda M.
Leong S.
6-26-4
Ku Y.
Jessup M.
6-06-0
Back D.
Arakawa H.
6-26-2
Morvayova V.
Varaksina A.
7-56-3
Kummel A.
Yamazaki I.
6-36-4
Chaudhari V.
Rioux L.
6-36-4
Shimizu E.
Back D.
6-16-2
Muramatsu C.
Lin F.
6-36-4
Kawaguchi N.
Lee E.
6-26-2
Kobori M.
Kitahara Y.
6-16-3
Park S.
Imamura S.
6-46-4
Kim D.
Li Y.
6-43-66-2
Yang Y.
Lin Y.
6-26-1
Hosogi S.
Tsai Y.
6-06-4
Lee C.
Defalco J.
3-67-616-3
Akita S.
Kuramochi M.
7-655-76-1
Ku Y.
Matsuda M.
6-36-3
Shimizu A.
Aikawa M.
6-46-0
Tjen J.
Lansere S.
7-6156-0
Saigo R.
Nepliy E.
7-667-5