Danielle Collins vs Elise Mertens — Australian Open Round of 16

Australian Open · WTA · Round of 16
Danielle Collins
USA27
Danielle Collins
#701WTA
1844ELO
1772Hard ELO
32 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLLWLLWWLL
2 — 1
Sets
Monday, 17 January 2022
hard
Elise Mertens
BEL19
Elise Mertens
#24WTA
1894ELO
1847Hard ELO
$1.6MYTD
$19MCAREER
30 yrs · 179 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
Collins D.
4-6 6-4 6-4
Mertens E.
Collins D.
4662
Mertens E.
6441

Danielle Collins defeated Elise Mertens 4-6 6-4 6-4 in the Australian Open round of 16 on hard. The upset overturned the form book — Elise Mertens came in ranked #24, defending last year's round of 16. Danielle Collins extended the head-to-head to 4–3.

Key context

Head to head

3–3
DateTournamentRoundSurfaceWinnerScore
2024-04-01CharlestonQFclayDanielle Collins6-3 6-4
2024-01-08HobartR32hardElise Mertens6-2 6-3
2023-08-28US OpenR64hardElise Mertens3-6 7-6(7) 6-1
2023-02-13DohaR32hardDanielle Collins6-4 7-6(6)
2021-09-27Chicago 2R16hardDanielle Collins6-2 6-4
2018-07-02WimbledonR128grassElise Mertens6-3 6-2
View full head-to-head →

Serve vs return

This season
Collins D.serving75% hold

wins 61% of points on serve vs Mertens E.

Mertens E.serving75% hold

wins 61% of points on serve vs Collins D.

Even serve battle

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

Collins D.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
Collins D.Mertens E.
1st serve in·Even
57%
56%
1st serve points won·Even
69%
69%
2nd serve points won·Even
47%
46%
Service points won·Even
60%
59%
Return points won·Even
44%
45%
Break points saved·Even
59%
55%
Aces / match·Even
3.8
3.9
Double faults / match·Even
5.0
5.1

Averages over each player's completed matches in the selected window (157 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Collins D.Mertens E.
Clutch Rating·Slight edge
88
80
Break points saved·Slight edge
95
90
Break points won·Even
99
96
Deciding sets·Clear edge
88
76
Tiebreaks·Clear edge
96
75

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

Umpiry Score

Pre-match
Collins D.
5.6
Slight disadvantageUmpiry Score
  • Injury return: 70 days (−1.2)
Mertens E.
6.0
Even matchUmpiry Score
Form & Matchup
4.0Hard Elo 1772
Surface ELO
6.0+75 Hard Elo edge
4.2Overall Elo 1844
ELO gap
5.8Overall Elo 1894
10.0
H2H
0.0
7.3
Surface form
4.1
Win streak
0.0
Fatigue & Travel
Minutes 14d
8.2
Prev. match
8.0
6.0
Country comfort
6.8
Context
6.0
Defending pts
6.0
Opponent rise
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
Collins D.Mertens E.
Freshness·
—
81

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

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
21°COvercast
Wind 13 km/hHumidity 68%

Draw

Final
Barty A.[1]
Collins D.[27]
6-37-62
Semi-finals
Collins D.[27]
Swiatek I.[7]
6-46-1
Barty A.[1]
Keys M.
6-16-3
Quarter-finals
Keys M.
Krejcikova B.[4]
6-36-2
Swiatek I.[7]
Kanepi K.
4-67-626-3
Barty A.[1]
Pegula J.[21]
6-26-0
Collins D.[27]
Cornet A.
7-56-1
R16
Barty A.[1]
Anisimova A.
6-46-3
Keys M.
Badosa P.[8]
6-36-1
Swiatek I.[7]
Cirstea S.
5-76-36-3
Kanepi K.
Sabalenka A.[2]
5-76-27-67
Krejcikova B.[4]
Azarenka V.[24]
6-26-2
Cornet A.
Halep S.[14]
6-43-66-4
Pegula J.[21]
Sakkari M.[5]
7-606-3
Collins D.[27]
Mertens E.[19]
4-66-46-4
R32
Anisimova A.
Osaka N.[13]
4-66-37-65
Pegula J.[21]
Parrizas Diaz N.
7-636-2
Keys M.
Wang Q.
4-66-37-62
Badosa P.[8]
Kostyuk M.
6-25-76-4
Collins D.[27]
Tauson C.
4-66-47-5
Mertens E.[19]
Zhang S.
6-26-2
Halep S.[14]
Kovinic D.
6-26-1
Cornet A.
Zidansek T.[29]
4-66-46-2
Kanepi K.
Inglis M.
2-66-26-0
Sabalenka A.[2]
Vondrousova M.[31]
4-66-36-1
Cirstea S.
Pavlyuchenkova A.[10]
6-32-66-2
Barty A.[1]
Giorgi C.[30]
6-26-3
Sakkari M.[5]
Kudermetova V.[28]
6-46-1
Krejcikova B.[4]
Ostapenko J.[26]
2-66-46-4
Swiatek I.[7]
Kasatkina D.[25]
6-26-3
Azarenka V.[24]
Svitolina E.[15]
6-06-2
R64
Svitolina E.[15]
Tan H.
6-35-75-1
Parrizas Diaz N.
Zanevska M.
W/O
Zhang S.
Rybakina E.[12]
6-41-0
Barty A.[1]
Bronzetti L.
6-16-1
Giorgi C.[30]
Martincova T.
6-27-62
Kudermetova V.[28]
Ruse E.
6-27-5
Ostapenko J.[26]
Riske Amritraj A.
4-66-26-4
Keys M.
Cristian J.
6-27-5
Badosa P.[8]
Trevisan M.
6-06-3
Collins D.[27]
Konjuh A.
6-46-3
Halep S.[14]
Haddad Maia B.
6-26-0
Kovinic D.
Raducanu E.[17]
6-44-66-3
Cornet A.
Muguruza G.[3]
6-36-3
Swiatek I.[7]
Peterson R.
6-26-2
Kasatkina D.[25]
Linette M.
6-26-3
Cirstea S.
Kucova K.
6-26-4
Kanepi K.
Bouzkova M.
6-27-63
Vondrousova M.[31]
Samsonova L.
6-27-5
Sabalenka A.[2]
Wang X.
1-66-46-2
Inglis M.
Baptiste H.
7-642-66-2
Pegula J.[21]
Pera B.
6-46-4
Sakkari M.[5]
Zheng Q.
6-16-4
Pavlyuchenkova A.[10]
Stosur S.
6-26-2
Osaka N.[13]
Brengle M.
6-06-4
Tauson C.
Kontaveit A.[6]
6-26-4
Anisimova A.
Bencic B.[22]
6-27-5
Wang Q.
Van Uytvanck A.
2-67-656-3
Krejcikova B.[4]
Wang X.
6-26-3
Azarenka V.[24]
Teichmann J.
6-16-2
Kostyuk M.
Sorribes Tormo S.[32]
7-656-3
Mertens E.[19]
Begu I.
6-36-2
Zidansek T.[29]
Watson H.
7-646-4
R128
Kucova K.
Doi M.
6-37-5
Kudermetova V.[28]
Liu C.
6-46-4
Barty A.[1]
Tsurenko L.
6-06-1
Wang X.
Hruncakova V.
7-56-3
Riske Amritraj A.
Vekic D.
6-26-2
Azarenka V.[24]
Udvardy P.
6-36-1
Tan H.
Putintseva Y.
6-36-3
Svitolina E.[15]
Ferro F.
6-17-64
Keys M.
Kenin S.[11]
7-627-5
Van Uytvanck A.
Bucsa C.
6-36-4
Wang Q.
Gauff C.[18]
6-46-2
Kostyuk M.
Parry D.
6-17-62
Konjuh A.
Rogers S.
4-66-37-5
Collins D.[27]
Dolehide C.
6-16-3
Mertens E.[19]
Zvonareva V.
6-47-5
Begu I.
Dodin O.
2-67-56-3
Zhang S.
Golubic V.
6-36-4
Rybakina E.[12]
Diyas Z.
6-737-636-1
Halep S.[14]
Frech M.
6-46-3
Haddad Maia B.
Volynets K.
3-66-26-3
Zidansek T.[29]
Rus A.
3-66-37-68
Watson H.
Sherif M.
6-35-76-2
Cornet A.
Tomova V.
6-36-3
Muguruza G.[3]
Burel C.
6-36-4
Linette M.
Sevastova A.
6-47-5
Bronzetti L.
Gracheva V.
3-66-26-3
Giorgi C.[30]
Potapova A.
6-46-0
Bencic B.[22]
Mladenovic K.
6-46-3
Anisimova A.
Hartono A.
2-66-46-3
Osaka N.[13]
Osorio C.
6-36-3
Parrizas Diaz N.
Bara I.
6-36-1
Pera B.
Alexandrova E.
7-56-3
Pegula J.[21]
Kalinina A.
4-67-617-5
Ruse E.
Paolini J.
6-16-3
Brengle M.
Yastremska D.
6-10-65-0
Krejcikova B.[4]
Petkovic A.
6-26-0
Zanevska M.
Juvan K.
7-677-64
Kasatkina D.[25]
Voegele S.
6-36-1
Stosur S.
Anderson R.
6-756-36-3
Pavlyuchenkova A.[10]
Bondar A.
6-26-1
Bouzkova M.
Marino R.
6-16-3
Inglis M.
Fernandez L.[23]
6-46-2
Vondrousova M.[31]
Hon P.
6-26-3
Samsonova L.
Bektas E.
7-56-4
Wang X.
Li A.
7-656-3
Sabalenka A.[2]
Hunter S.
5-76-36-2
Tauson C.
Sharma A.
6-36-4
Teichmann J.
Martic P.
6-36-3
Kanepi K.
Kerber A.[16]
6-46-3
Sorribes Tormo S.[32]
Flipkens K.
6-46-1
Sakkari M.[5]
Maria T.
6-47-62
Zheng Q.
Sasnovich A.
6-31-67-65
Badosa P.[8]
Tomljanovic A.
6-46-0
Kovinic D.
Jang S.
6-32-66-4
Cristian J.
Minnen G.
7-56-4
Trevisan M.
Hibino N.
6-26-3
Martincova T.
Davis L.
7-56-2
Ostapenko J.[26]
Schmiedlova A.
6-776-46-1
Swiatek I.[7]
Dart H.
6-36-0
Kontaveit A.[6]
Siniakova K.
6-26-3
Raducanu E.[17]
Stephens S.
6-02-66-1
Peterson R.
Saville D.
6-26-3
Cirstea S.
Kvitova P.[20]
6-26-2
Baptiste H.
Garcia C.
4-67-646-3