Serena Williams controversy not an example of discrimination in tennis | Opinions | collegiatetimes.com
Mariana Alves defeats Maria Sharapova - YouTube
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Mariana Alves editorial stock image. Image of romania - 50013444
Mariana Alves - Wikidata
Azarenka to the chair umpire Mariana Alves:´What are you still doing on that chair?´
Ana Ivanovic of Serbia argues a call with chair umpire Mariana Alves (top) of Portugal during her women's singles quarter-final match against Eugenie Bouchard of Canada at the Australian Open 2014 tennis
Chair umpire Mariana Alves works the 2004 U.S. Open quarter final match between Serena Williams and Jennifer Capriati in New York, September 7, 2004. Several questionable calls were made during the match
List of tennis umpires - Wikipedia
2004: Mariana Alves' missed call ushers in Hawk-Eye
Always something': Serena Williams' past US Open episodes | The Seattle Times
I Just Feel Robbed" - When Serena Williams Called A Chair Umpire Anti-Serena - EssentiallySports