Janice Tjen vs Dayana YastremskaMonterrey Round of 32

Monterrey · WTA · Round of 32
#35WTA
1658ELO
1684Hard ELO
$818kYTD
$1.2MCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LLWLLWLWLL
2 — 1
Sets
Tuesday, 25 August 2026 ·
hard
#112WTA
1792ELO
1733Hard ELO
$505kYTD
$6.5MCAREER
26 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLWLWLWLWW
Tjen J.
2-6 6-3 7-6
Yastremska D.
Tjen J.
26772
Yastremska D.
63651

Janice Tjen advanced to the quarterfinals of the Monterrey tournament with a three-set win over Dayana Yastremska in the Round of 16. Tjen won 2-6, 6-3, 7-6, hitting 12 aces and committing 5 double faults. Yastremska had 5 service breaks, but Tjen's 4 breaks were enough to secure the victory.

Around the match

  • Janice Tjen mounted a dramatic comeback from 4-1 down in the final set to defeat Dayana Yastremska in her Monterrey opener.

Quotes belong to their sources, linked above.

Key context

Head to head

10
DateTournamentRoundSurfaceWinnerScore
2026-02-15DubaiR64hardJanice Tjen6-4 6-1

Statistics

This season
1st serve in·Even
60%
61%
1st serve points won·Slight edge
65%
60%
2nd serve points won·Even
46%
47%
Service points won·Even
57%
55%
Return points won·Even
40%
44%
Break points saved·Even
51%
49%
Aces / match·Slight edge
3.2
2.2
Double faults / match·Dominant
3.3
4.8

Averages over each player's completed matches in the selected window (27 vs 32). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
78
37
Break points saved·Dominant
84
23
Break points won·Slight edge
85
93
Deciding sets·Dominant
75
16
Tiebreaks·Slight edge
99
93

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

Win Probability

Pre-match · updated 21:50 UTC
Tjen J.53%
Yastremska D.47%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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

Umpiry Score

Pre-match
5.5
Slight disadvantageUmpiry Score
5.9
Even matchUmpiry Score
Form & Matchup
4.4Hard Elo 1684
Surface ELO
5.6+49 Hard Elo edge
3.3Overall Elo 1658
ELO gap
6.7Overall Elo 1792
7.0Leads 1–0 on hard
H2H
3.0Trails 0–1 on hard
3.13 of last 10 on hard
Surface form
3.84 of last 10 on hard
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play 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.

Freshness

Recent load
Freshness·Clear edge
73
86

Tjen J.: 3 days rest · 2 matches, 49 games (7d) · Yastremska D.: 4 days rest · 1 match, 30 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
34°CClear
Wind 20 km/hHumidity 30%

Draw