Kristie Ahn vs Elise MertensSan Jose Round of 16

San Jose · WTA · Round of 16
34 yrs · 165 cm · Right-handed
Last 10 · pre-match
LLLWLLWWLW
2 — 0
Sets
Monday, 29 July 2019
hard
#24WTA
1894ELO
1847Hard ELO
$1.6MYTD
$19MCAREER
30 yrs · 179 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
Ahn K.
6-3 6-3
Mertens E.
Ahn K.
662
Mertens E.
330

Kristie Ahn defeated Elise Mertens 6-3 6-3 in the San Jose round of 16 on hard. The upset overturned the form book — Elise Mertens came in leading the head-to-head 1–0, defending last year's semi-final. Kristie Ahn claimed a first win over Elise Mertens in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2019-08-26US OpenR16hardElise Mertens6-1 6-1

Serve vs return

This season
Ahn K.serving64% hold

wins 56% of points on serve vs Mertens E.

Mertens E.serving77% hold

wins 62% of points on serve vs Ahn K.

Serve advantage — Mertens E.

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

Ahn K.Mertens E.
Serve
51
Return
54

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%
56%
1st serve points won·Slight edge
61%
69%
2nd serve points won·Even
47%
46%
Service points won·Even
55%
59%
Return points won·Even
43%
45%
Break points saved·Even
55%
55%
Aces / match·Clear edge
1.1
3.9
Double faults / match·Dominant
2.8
5.1

Averages over each player's completed matches in the selected window (67 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
36
80
Break points saved·Dominant
40
90
Break points won·Dominant
64
96
Deciding sets·Clear edge
62
76
Tiebreaks·Clear edge
59
75

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

Freshness

Recent load
Freshness·
81

Mertens E.: 5 days rest · 2 matches, 41 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast