Janice Tjen vs Martina OkalovaSao Paulo Round of 16

Sao Paulo · WTA · Round of 16
#42WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
2 — 0
Sets
Monday, 8 September 2025
hard
#495WTA
1284ELO
1296Hard ELO
29 yrs · 170 cm
Last 10 · pre-match
LWLWLLLLLW
Tjen J.
6-1 6-0
Okalova M.
Tjen J.
662
Okalova M.
100

Janice Tjen defeated Martina Okalova 6-1 6-0 in the Sao Paulo round of 16 on hard. The result followed the form book — Janice Tjen came in ranked #42.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Tjen J.serving77% hold

wins 62% of points on serve vs Okalova M.

Okalova M.serving50% hold

wins 50% 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.Okalova M.
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
1st serve in·Slight edge
62%
72%
1st serve points won·Clear edge
69%
54%
2nd serve points won·Clear edge
51%
39%
Service points won·Clear edge
62%
50%
Return points won·Even
46%
46%
Break points saved·Slight edge
56%
47%
Aces / match·Dominant
3.4
0.3
Double faults / match·Dominant
2.7
4.7

Averages over each player's completed matches in the selected window (97 vs 39). ATP, WTA & Challenger.

Umpiry Score

Pre-match
8.4
Dominant favouriteUmpiry Score
3.3
Heavy underdogUmpiry Score
  • Extended break: 35 days (−0.7)
Form & Matchup
10.0+388 Hard Elo edge
Surface ELO
0.0Hard Elo 1296
10.0Overall Elo 1658
ELO gap
0.0Overall Elo 1284
5.0No prior meetings
H2H
5.0
8.9
Surface form
4.3
9.06-match win streak
Win streak
0.0Lost last 4
Fatigue & Travel
Surface transition
6.0
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·
93

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

Conditions

Court speed
Mediumbalanced pace
SlowFast