U.S. Open 2010 Results, Scores and Brackets: Thursday's Winners and Losers

Day 4 of the 2010 US Open is officially in the books. While there were a few upsets, most of the big names are still in it. American men James Blake and Mardy Fish are going strong while American teen Beatric Capra might be this year's Cinderella story.

Here's a look at the rest of Thursday's matches.

Caroline Wozniacki (1) Defeats Kai-Chen Chang 6-0 6-0

Al Bello/Getty Images

NEW YORK - SEPTEMBER 02: Caroline Wozniacki of Denmark returns a shot to Kai-Lung Chang of Chinese Taipei during the Women's singles on day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2010 in the Flushin

The number 1 seed on the women's side, Caroline Wozniacki, didn't lose a game in her  Thursday afternoon match.

Up Next: vs. Yung-Jan Chan

Maria Sharapova (14) Defeats Iveta Benesova 6-1 6-2

Matthew Stockman/Getty Images

NEW YORK - SEPTEMBER 02: Maria Sharapova of Russia celebrates defeating Iveta Benesova of the Czech Republic (not pictured) during day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2010 in the Flushing nei

Maria Sharapova proves that her shoulder is no issue as she crusies into the 3rd round.

Up Next: vs. Beatrice Capra

Roger Federer (2) Defeats Andreas Beck 6-3 6-4 6-3

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NEW YORK - SEPTEMBER 02: Roger Federer of Switzerland wipes his head while playing against Andreas Beck of Germany during the Men's singles on day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2010 in the

Roger Federer has no problems as he wins in straight sets.

Up Next: vs. Paul-Henri Mathieu

Mardy Fish (19) Defeats Pablo Cuevas 7-5 6-0 6-2

Nick Laham/Getty Images

NEW YORK - SEPTEMBER 02: Mardy Fish of the United States celebrates winning match point against Pablo Cuevas of Uruguay during his men's singles match on day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2

Mardy Fish's impressive play this summer continues as he knocks out Pablo Cuevas.

Up Next: vs. Arnaud Clement

Women's Thursday 2nd Round Scores

Nick Laham/Getty Images

NEW YORK - SEPTEMBER 02: Jelena Jankovic of Serbia celebrates after she won match point against Mirjana Lucic of Croatia during the Women's singles on day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2010

Jelena Jankovic (4) defeats Mirjana Lucic 6-4 3-6 6-2

Vera Zvonareva (7) defeats Sabine Lisicki 6-1 7-6(5)

Shuai Peng defeats Agnieszka Radwanska (9) 2-6 6-1 6-4

Svetlana Kuznetsova (11) defeats Anastasija Sevastova 6-2 6-3

Beatrice Capra defeats Aravane Rezai (18) 7-5 2-6 6-3

Alexandra Dulgheru (25) defeats Sofia Arvidsson 7-6(5) 6-1

Yanina Wickmayer defeats Julia Goerges 6-4 7-5

Yung-Jan Chan defeats Tamira Paszek 6-3 6-3

Patty Schnyder defeats Maria Jose Martinez Sanchez 7-6(2) 6-4

Dominika Cibulkova defeats Kateryna Bondarenko 6-2 5-7 7-6(7)

Lourdes Deominguez Lino defeats Urszula Radwanska 6-2 7-5

Andrea Petkovic defeats Bethanie Mattek-Sands 3-6 6-3 7-5

Kaia Kanepi defeats Akgul Amanmuradova 6-2 6-4

Maria Kirilenko defeats Yvonne Meusburger 4-6 7-5 6-0

Men's Thrusday 2nd Round Scores

Chris McGrath/Getty Images

NEW YORK - SEPTEMBER 02: Novak Djokovic of Serbia returns a shot against Philipp Petzschner Germany (not pictured) during day four of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2010 in the Flushing neighborhood

Novak Djokovic (3) defeats Philipp Petzschner 7-5 6-3 7-6(6)

Richard Gasquet defeats Nikolay Davydenko (6) 6-3 6-4 6-2

Kei Nishikori defeats Marin Cilic (11) 5-7 7-6(6) 3-6 7-6(6) 6-1

Jurgen Melzer (13) defeats Urszula Radwanska 6-2 7-5

Gael Monfils (17) defeats Igor Andreev 6-3 6-4 6-3

Albert Montanes (21) defeats Carsten Ball 6-4 6-4 6-1

Kevin Anderson defeats Thomaz Bellucci (26) 6-7(4) 6-4 5-7 6-4 7-6(2)

Juan Carlos Ferrero defeats Ricardo Mello 6-1 6-4 6-4

Paul-Henri Mathieu defeats Guillaume Rufin 7-6(3) 6-4 6-3

Albert Montanes defeats Carsten Ball 6-4 6-3 6-1

Arnaud Clement defeats Eduardo Schwank 6-3 5-5 Ret.

James Blake defeats Peter Polansky 6-7(1) 6-3 6-2 6-4

Robin Soderling defeats Taylor Dent 6-2 6-2 6-4

Thiemo de Bakker defeats Ivan Dodig 6-7(4) 6-2 6-3 3-2 Ret.