Lois Boisson vs Elise Mertens — Roland Garros Round of 128

Roland Garros · WTA · Round of 128
Lois Boisson
FRA
Lois Boisson
#154WTA
1728ELO
1694Clay ELO
$57kYTD
$1.2MCAREER
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLLWLLLLW
2 — 1
Sets
Monday, 26 May 2025
clay
Elise Mertens
BEL23
Elise Mertens
#27WTA
1894ELO
1811Clay ELO
$1.6MYTD
$19MCAREER
30 yrs · 179 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
Boisson L.
6-4 4-6 6-3
Mertens E.
Boisson L.
6462
Mertens E.
4631

Lois Boisson defeated Elise Mertens 6-4 4-6 6-3 in the Roland Garros round of 128 on clay. The upset overturned the form book — Elise Mertens came in ranked #27, defending last year's round of 32, but Lois Boisson had arrived on a 5-match winning run.

Key context

  • Match story: Lois Boisson closed it out in three sets, 6–4 4–6 6–3.

Head to head

No previous meetings on record.

Serve vs return

This season
Boisson L.serving71% hold

wins 59% of points on serve vs Mertens E.

Mertens E.serving75% hold

wins 61% of points on serve vs Boisson L.

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

Statistics

This season
Boisson L.Mertens E.
1st serve in·Slight edge
63%
58%
1st serve points won·Even
69%
70%
2nd serve points won·Even
45%
47%
Service points won·Even
60%
61%
Return points won·Even
44%
45%
Break points saved·Even
59%
60%
Aces / match·Even
4.2
4.6
Double faults / match·Slight edge
3.3
3.8

Averages over each player's completed matches in the selected window (42 vs 68). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Boisson L.
6.7
Slight advantageUmpiry Score
Mertens E.
7.0
Strong advantageUmpiry Score
Form & Matchup
4.6Clay Elo 1694
Surface ELO
5.4+117 Clay Elo edge
3.5Overall Elo 1728
ELO gap
6.5Overall Elo 1894
5.0No prior meetings
H2H
5.0
8.3
Surface form
6.2
9.05-match win streak
Win streak
0.0
Fatigue & Travel
Prev. match
7.0
7.0
Country comfort
6.2
Context
5.0
Defending pts
6.0

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
Boisson L.Mertens E.
Freshness·Clear edge
96
74

Boisson L.: 11 days rest · 1 match (14d) · Mertens E.: 3 days rest · 3 matches, 61 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
17°COvercast
Wind 12 km/hHumidity 53%

Draw

Final
Gauff C.[4]
Sabalenka A.[1]
6-756-26-4
Semi-finals
Sabalenka A.[1]
Swiatek I.[3]
7-614-66-0
Gauff C.[4]
Boisson L.
6-16-2
Quarter-finals
Gauff C.[4]
Keys M.[19]
6-766-46-1
Swiatek I.[3]
Svitolina E.[7]
6-17-5
Sabalenka A.[1]
Zheng Q.[8]
7-636-3
Boisson L.
Andreeva M.[8]
7-666-3
R16
Andreeva M.[8]
Kasatkina D.[17]
6-37-5
Zheng Q.[8]
Samsonova L.[20]
7-651-66-3
Swiatek I.[3]
Rybakina E.[2]
1-66-37-5
Sabalenka A.[1]
Anisimova A.[6]
7-56-3
Boisson L.
Pegula J.[5]
3-66-46-4
Svitolina E.[7]
Paolini J.[13]
4-67-666-1
Gauff C.[4]
Alexandrova E.[14]
6-07-5
Keys M.[19]
Baptiste H.[26]
6-37-5
R32
Keys M.[19]
Kenin S.[31]
4-66-37-5
Svitolina E.[7]
Pera B.
7-647-65
Gauff C.[4]
Bouzkova M.[27]
6-17-63
Anisimova A.[6]
Tauson C.[21]
7-646-4
Alexandrova E.[14]
Kudermetova V.
6-26-2
Baptiste H.[26]
Bouzas Maneiro J.
7-646-1
Samsonova L.[20]
Yastremska D.
6-26-3
Sabalenka A.[1]
Danilovic O.
6-26-3
Kasatkina D.[17]
Badosa P.[10]
6-17-5
Boisson L.
Jacquemot E.
6-30-67-5
Paolini J.[13]
Starodubtseva Y.
6-46-1
Rybakina E.[2]
Ostapenko J.[29]
6-26-2
Pegula J.[5]
Vondrousova M.
3-66-46-2
Andreeva M.[8]
Putintseva Y.[32]
6-36-1
Zheng Q.[8]
Mboko V.[9]
6-36-4
Swiatek I.[3]
Cristian J.
6-27-5
R64
Tauson C.[21]
Rus A.
7-627-5
Bouzkova M.[27]
Kartal S.
6-16-4
Andreeva M.[8]
Krueger A.
6-36-4
Badosa P.[10]
Ruse E.
3-66-46-4
Boisson L.
Kalinina A.
6-16-2
Zheng Q.[8]
Arango E.
6-26-3
Ostapenko J.[29]
Dolehide C.
5-76-36-3
Cristian J.
Bejlek S.
1-66-36-3
Kudermetova V.
Krejcikova B.[15]
6-06-3
Paolini J.[13]
Tomljanovic A.
6-36-3
Jacquemot E.
Parks A.
6-26-746-1
Pera B.
Vekic D.[18]
6-24-67-63
Kasatkina D.[17]
Jeanjean L.
6-46-2
Rybakina E.[2]
Jovic I.[17]
6-36-3
Putintseva Y.[32]
Garland J.
7-656-3
Kenin S.[31]
Azarenka V.
7-656-4
Bouzas Maneiro J.
Montgomery R.
6-44-67-5
Vondrousova M.
Frech M.[25]
6-04-66-3
Danilovic O.
Collins D.
6-43-66-4
Starodubtseva Y.
Potapova A.[28]
7-646-2
Samsonova L.[20]
Romero Gormaz L.
6-36-3
Pegula J.[5]
Li A.[30]
6-37-63
Swiatek I.[3]
Raducanu E.
6-16-2
Sabalenka A.[1]
Teichmann J.
6-36-1
Mboko V.[9]
Lys E.
6-46-4
Baptiste H.[26]
Hibino N.
6-36-2
Alexandrova E.[14]
Cocciaretto E.
6-16-3
Yastremska D.
Shnaider D.[25]
7-57-5
Svitolina E.[7]
Bondar A.
7-647-5
Gauff C.[4]
Valentova T.
6-26-4
Keys M.[19]
Boulter K.
6-16-3
Anisimova A.[6]
Golubic V.
6-06-2
R128
Cristian J.
Birrell K.
6-16-0
Kartal S.
Andreeva E.
6-06-2
Frech M.[25]
Jabeur O.
7-646-0
Kudermetova V.
Tomova V.
7-56-1
Krejcikova B.[15]
Maria T.
7-646-3
Bouzas Maneiro J.
Navarro E.[9]
6-06-1
Vondrousova M.
Selekhmeteva O.
6-46-4
Starodubtseva Y.
Korpatsch T.
2-66-16-4
Zheng Q.[8]
Pavlyuchenkova A.
6-46-3
Arango E.
Eala A.
6-02-66-3
Mboko V.[9]
Sun L.[5]
6-17-64
Yastremska D.
Aiava D.
7-56-1
Anisimova A.[6]
Stojanovic N.
6-34-1
Golubic V.
Kvitova P.
3-66-06-4
Rybakina E.[2]
Riera J.
6-14-66-4
Paolini J.[13]
Yuan Y.[10]
6-14-66-3
Valentova T.
Paquet C.
4-66-37-5
Parks A.
Muchova K.[10]
6-32-66-1
Sabalenka A.[1]
Rakhimova K.
6-16-0
Romero Gormaz L.
Rakotomanga Rajaonah T.
7-636-2
Garland J.
Volynets K.
6-33-66-4
Montgomery R.
Parry D.
6-26-1
Keys M.[19]
Saville D.
6-26-1
Ruse E.
Kessler M.
7-57-63
Potapova A.[28]
Noskova L.[12]
5-76-17-5
Cocciaretto E.
Townsend T.
6-36-2
Lys E.
Stearns P.[28]
6-06-3
Pegula J.[5]
Todoni A.
6-26-4
Samsonova L.[20]
Sherif M.
7-636-2
Krueger A.
Lamens S.[17]
6-36-4
Swiatek I.[3]
Sramkova R.
6-36-3
Gauff C.[4]
Gadecki O.
6-26-2
Boulter K.
Monnet C.
6-746-16-1
Ostapenko J.[29]
Kudermetova P.[16]
5-76-06-2
Azarenka V.
Wickmayer Y.
6-06-0
Collins D.
Burrage J.
7-616-4
Tomljanovic A.
Joint M.
6-16-3
Kalinina A.
Avanesyan E.
6-16-2
Kasatkina D.[17]
Siniakova K.
6-13-66-2
Hibino N.
Uchijima M.
6-17-5
Kenin S.[31]
Gracheva V.
6-36-1
Badosa P.[10]
Osaka N.[16]
6-716-16-4
Bouzkova M.[27]
Kalinskaya A.[22]
6-47-5
Dolehide C.
Minnen G.
3-66-36-4
Raducanu E.
Wang X.
7-54-66-3
Tauson C.[21]
Linette M.
6-44-66-1
Jacquemot E.
Sakkari M.
6-37-64
Jeanjean L.
Begu I.
0-67-53-0
Putintseva Y.[32]
Sierra S.
7-646-2
Pera B.
Garcia C.
6-46-4
Vekic D.[18]
Blinkova A.
7-56-746-1
Rus A.
Osorio C.
4-66-26-4
Teichmann J.
Stefanini L.
6-46-4
Bondar A.
Siegemund L.
7-626-3
Baptiste H.[26]
Haddad Maia B.[23]
4-66-36-1
Li A.[30]
Carle M.
6-46-0
Shnaider D.[25]
Soboleva A.
7-636-2
Jovic I.[17]
Zarazua R.
6-35-76-4
Boisson L.
Mertens E.[23]
6-44-66-3
Alexandrova E.[14]
Bronzetti L.
6-36-2
Andreeva M.[8]
Bucsa C.[31]
6-46-3
Bejlek S.
Kostyuk M.[15]
6-36-1
Svitolina E.[7]
Sonmez Z.
6-16-1
Danilovic O.
Fernandez L.[24]
6-36-1