Tatiana Prozorova vs Janice TjenGuangzhou Qualifying Round 1

Guangzhou · CHALLENGER · Qualifying Round 1
#163WTA
1674ELO
1659Hard ELO
22 yrs
Last 10 · pre-match
WLWLWWLWLW
2 — 1
Sets
Monday, 20 October 2025
hard
#39WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
Prozorova T.
6-7 6-4 7-6
Tjen J.
Prozorova T.
646772
Tjen J.
774641

Tatiana Prozorova defeated Janice Tjen 6-7 6-4 7-6 in the Guangzhou qualifying round 1 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
Prozorova T.serving56% hold

wins 53% of points on serve vs Tjen J.

Tjen J.serving64% hold

wins 56% of points on serve vs Prozorova T.

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

Prozorova T.Tjen J.
Serve
52
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
63%
62%
1st serve points won·Even
66%
69%
2nd serve points won·Even
48%
52%
Service points won·Even
59%
62%
Return points won·Even
46%
46%
Break points saved·Even
58%
57%
Aces / match·Slight edge
2.3
3.4
Double faults / match·Even
2.8
2.7

Averages over each player's completed matches in the selected window (75 vs 97). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
74
78
Break points saved·Even
81
84
Break points won·Clear edge
97
85
Deciding sets·Slight edge
68
75
Tiebreaks·
99

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

Umpiry Score

Pre-match
5.8
Slight disadvantageUmpiry Score
7.3
Strong advantageUmpiry Score
Form & Matchup
4.1Hard Elo 1659
Surface ELO
5.9+26 Hard Elo edge
4.0Overall Elo 1674
ELO gap
6.0Overall Elo 1658
5.0No prior meetings
H2H
5.0
5.1
Surface form
9.1
0.0
Win streak
9.07-match win streak
Fatigue & Travel
7.0
3-set count
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·Slight edge
89
97

Prozorova T.: 1 day rest · 1 match, 16 games (7d) · Tjen J.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast