Janice Tjen vs Daria KasatkinaWimbledon Round of 64

Wimbledon · WTA · Round of 64
#42WTA
1670ELO
1551Grass ELO
$614kYTD
$969kCAREER
24 yrs · 171 cm · Right-handed
Last 10
WLLLLWLWLL
Sets
Wednesday, 1 July 2026 ·
grass
#65WTA
1806ELO
1684Grass ELO
29 yrs · 170 cm · Right-handed
Last 10
WLLLLWWLWW
Tjen J.
vs
Kasatkina D.

Janice Tjen faces Daria Kasatkina in the Wimbledon round of 64 on grass. Recent grass form is closely matched.

Win Probability

Pre-match · updated 21:22 UTC
Tjen J.24%
Kasatkina D.76%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Kasatkina D. clearly ahead, but no certainty

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Umpiry Score

Pre-match
5.7
Slight disadvantageUmpiry Score
6.4
Marginal edgeUmpiry Score
Form & Matchup
3.3Grass Elo 1551
Surface ELO
6.7+133 Grass Elo edge
4.9Overall Elo 1670
ELO gap
5.1Overall Elo 1806
5.0No prior meetings
H2H
5.0No prior meetings
3.63 of last 8 on grass
Surface form
3.33 of last 10 on grass
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
7.01 three-setter in 14 days
Country comfort
5.9Won 65% in GBR (43)
Context
5.0Didn't play here last year
Defending pts
6.0Reached the R32 here last year

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.

Form trajectory

Tjen J.Stable

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

17 vs 17 matches

Statistics

This season
1st serve in·Slight edge
59%
70%
1st serve points won·Slight edge
64%
58%
2nd serve points won·Slight edge
46%
41%
Service points won·Even
56%
53%
Return points won·Clear edge
39%
51%
Break points saved·Slight edge
47%
53%
Aces / match·Clear edge
3.4
1.8
Double faults / match·Dominant
3.3
6.4

Averages over each player's completed matches in the selected window (17 vs 17). ATP, WTA & Challenger.

Serve vs return

This season
Tjen J.serving63% hold

wins 55% of points on serve vs Kasatkina D.

Kasatkina D.serving80% hold

wins 63% of points on serve vs Tjen J.

Serve advantage — Kasatkina D.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Clutch

Under pressure
Clutch Rating·Even
80
79
Break points saved·Even
84
80
Break points won·Clear edge
85
100
Deciding sets·Clear edge
80
92
Tiebreaks·Dominant
98
55

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

Freshness

Recent load
Freshness·Slight edge
87
95

Tjen J.: 6 days rest · 1 match, 34 games (7d) · Kasatkina D.: 7 days rest · 1 match, 22 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast

Head to head

No previous meetings on record.

R128
R64
R32
R16
Quarter-finals
Semi-finals
Final
Sabalenka A.
Kessler M.
Tjen J.
Kasatkina D.
Gasanova A.
Osaka N.
Muchova K.
Zhang S.
Siniakova K.
Bartunkova N.
Krejcikova B.
Andreeva M.
Yastremska D.
Bouzas Maneiro J.
Alexandrova E.
Tararudee L.
Parry D.
Kalinskaya A.
Sonmez Z.
Liu C.
Sierra S.
Gauff C.