Ye Xin Ma vs Janice TjenW35 Osaka Semi-final

W35 Osaka · CHALLENGER · Semi-final
#195WTA
1450ELO
1441Hard ELO
27 yrs
Last 10 · pre-match
LLWLLLLLLW
0 — 0
Sets
Monday, 7 April 2025
hard
#39WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
Ma Y.
6-1 6-1
Tjen J.
Ma Y.
662
Tjen J.
11

Ye Xin Ma defeated Janice Tjen 6-1 6-1 in the W35 Osaka semi-final on hard. The upset overturned the form book — Janice Tjen came in ranked #39.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Ma Y.serving52% hold

wins 51% of points on serve vs Tjen J.

Tjen J.serving68% hold

wins 57% of points on serve vs Ma Y.

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

Ma Y.Tjen J.
Serve
53
Return
13

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

Statistics

This season
1st serve in·Even
58%
62%
1st serve points won·Slight edge
63%
69%
2nd serve points won·Even
48%
52%
Service points won·Slight edge
57%
63%
Return points won·Even
45%
46%
Break points saved·Even
56%
57%
Aces / match·Slight edge
2.4
3.4
Double faults / match·Slight edge
3.2
2.7

Averages over each player's completed matches in the selected window (85 vs 97). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
57
78
Break points saved·Dominant
54
84
Break points won·Slight edge
80
85
Deciding sets·Even
76
75
Tiebreaks·
99

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

Umpiry Score

Pre-match
5.2
Clear underdogUmpiry Score
6.6
Marginal edgeUmpiry Score
  • Extended break: 42 days (−0.7)
Form & Matchup
2.1Hard Elo 1441
Surface ELO
7.9+243 Hard Elo edge
1.8Overall Elo 1450
ELO gap
8.2Overall Elo 1658
5.0No prior meetings
H2H
5.0
4.3
Surface form
8.5
Win streak
0.0
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.

Freshness

Recent load
Freshness·Even
100
97

Ma Y.: 21 days rest · Tjen J.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast