Maria Villareal ha enfrentado a 84 oponentes a lo largo de su carrera.

Player Team(s) Games
Susana Abad
Argentina (W) (World Cup)
1
Luigina Agostinelli
Brazil (W) (World Cup)
1
Kanetake Akiko
Japan (W) (World Cup)
2
Skoko Akiyama
Japan (W) (World Cup)
2
Aliza Antipina
Soviet Union (W) (World Cup)
1
Maria Balocco
Argentina (W) (World Cup)
1
Nadir Lea Bazzani
Brazil (W) (World Cup)
1
Marlene Jose Bento
Brazil (W) (World Cup)
1
Maria Helena Campos
Brazil (W) (World Cup)
1
Maria Helena Cardoso
Brazil (W) (World Cup)
1
Antonia Castillo
Argentina (W) (World Cup)
1
Benedita Castro
Brazil (W) (World Cup)
1
Jacqueline Cator
France (W) (World Cup)
1
Lilia Conesa
Argentina (W) (World Cup)
1
Rita De Oliveira
Brazil (W) (World Cup)
1
Jacqueline Delachet
France (W) (World Cup)
1
Priscila Dominguez
Paraguay (W) (World Cup)
1
Ursula Echague
Paraguay (W) (World Cup)
1
Dionisia Echague
Paraguay (W) (World Cup)
1
Kojima Etsuko
Japan (W) (World Cup)
2
Virgilia Figueredo
Paraguay (W) (World Cup)
1
Nelly Fomin
Soviet Union (W) (World Cup)
1
Nilza Monte Garcia
Brazil (W) (World Cup)
1
Maryvonne Garzino
France (W) (World Cup)
1
Maria Gonzales
Paraguay (W) (World Cup)
1
Francisca Gonzalez
Paraguay (W) (World Cup)
1
Genevieve Guinchard
France (W) (World Cup)
1
Sin Hang-dae
Korea (W) (World Cup)
1
Chae Hyeon-ae
Korea (W) (World Cup)
1
Lee Hyeon-ja
Korea (W) (World Cup)
1
Na Jeong-seon
Korea (W) (World Cup)
1
Celia Juan
Argentina (W) (World Cup)
1
Ohki Kiwako
Japan (W) (World Cup)
2
Sakai Koyoko
Japan (W) (World Cup)
2
Ljuda Kukanova
Soviet Union (W) (World Cup)
1
Elena Lais
Brazil (W) (World Cup)
1
Lidia Leontieva
Soviet Union (W) (World Cup)
1
Valve Ljutsep
Soviet Union (W) (World Cup)
1
Alcira Llorens
Paraguay (W) (World Cup)
1
Luisa Lopez
Paraguay (W) (World Cup)
1
Estela Lopez
Paraguay (W) (World Cup)
1
Gilder Maggiolo
Argentina (W) (World Cup)
1
Beatriz Mahbus
Argentina (W) (World Cup)
1
Delcy Marques
Brazil (W) (World Cup)
1
Colomba Marquez
Paraguay (W) (World Cup)
1
Ginette Mazel
France (W) (World Cup)
1
Eom Mi-ja
Korea (W) (World Cup)
1
Raisa Michailova
Soviet Union (W) (World Cup)
1
Furuta Misako
Japan (W) (World Cup)
2
Lee Mun-ja
Korea (W) (World Cup)
1
Kim Myeong-ja
Korea (W) (World Cup)
1
Yamaguchi Nagako
Japan (W) (World Cup)
2
Zila Nepomuceno
Brazil (W) (World Cup)
1
Yun Ok-ja
Korea (W) (World Cup)
1
Kang Ok-sun
Korea (W) (World Cup)
1
Norma Oliveira
Brazil (W) (World Cup)
1
Gena Oriol
Soviet Union (W) (World Cup)
1
Danielle Peter
France (W) (World Cup)
1
Nicole Pierre
France (W) (World Cup)
1
Nina Poznanskaya
Soviet Union (W) (World Cup)
1
Annie Prugneau
France (W) (World Cup)
1
Alba Rivas
Paraguay (W) (World Cup)
1
Nicole Robert
France (W) (World Cup)
1
Hayafuku Sadako
Japan (W) (World Cup)
2
Ravila Salimova
Soviet Union (W) (World Cup)
1
Amalia Setien
Argentina (W) (World Cup)
1
Park Sin-ja
Korea (W) (World Cup)
1
Nilda Sklerevicius
Argentina (W) (World Cup)
1
Tamara Slidenko
Soviet Union (W) (World Cup)
1
Skaidrite Smildzinia-Budovska
Soviet Union (W) (World Cup)
1
Tanja Sorokina
Soviet Union (W) (World Cup)
1
Yannick Stephan
France (W) (World Cup)
1
Namba Tareko
Japan (W) (World Cup)
2
Isabel Vass
Argentina (W) (World Cup)
1
Norma Ventos
Argentina (W) (World Cup)
1
Jacqueline Verots
France (W) (World Cup)
1
Pierrette Vignot
France (W) (World Cup)
1
Lee Yeong-ja
Korea (W) (World Cup)
1
Sing Yeong-ok
Korea (W) (World Cup)
1
Fujiwara Yoshimi
Japan (W) (World Cup)
2
Ohta Yosiko
Japan (W) (World Cup)
2
Kataoka Yosuko
Japan (W) (World Cup)
2
Alicia de Luca
Argentina (W) (World Cup)
1
Carmen de Troche
Paraguay (W) (World Cup)
1