The No.1, No.2 and No.3 seeds are all out of the French Open now. Which other seed has won the most Grand Slams in the past? You would think it's No.4...
WTA Staff

PARIS, France - With Serena Williams, Li Na and Agnieszka Radwanska all out already, this is the first time in the Open Era that all of the Top 3 seeds are out before the fourth round of a Grand Slam.

What's more, all three upsets were pulled off by WTA rising stars with breakthrough victories:

Kristina Mladenovic d. World No.2 Li in first round
- Mladenovic born May 14, 1993 (age 21)
- Mladenovic's best previous win: World No.8

Garbiñe Muguruza d. World No.1 Serena in second round
- Muguruza born October 8, 1993 (age 20)
- Muguruza's best previous win: World No.9

Ajla Tomljanovic d. World No.3 Radwanska in third round
- Tomljanovic born May 7, 1993 (age 21)
- Tomljanovic's best previous win: World No.26

And now that the Top 3 seeds are out of the tournament, which other seed has had the most success at Grand Slams in the Open Era? Well, it would seem like the most obvious one... and it is:

No.4 Seed (13)
Ann Jones (1969 Wimbledon), Evonne Goolagong Cawley (1980 Wimbledon), Hana Mandlikova (1981 French Open), Mary Pierce (1995 Australian Open), Martina Hingis (1997 Australian Open), Arantxa Sánchez-Vicario (1998 French Open), Jennifer Capriati (2001 French Open), Venus Williams (2001 Wimbledon), Justine Henin (2003 French Open), Kim Clijsters (2005 US Open), Serena Williams (2008 Wimbledon), Serena Williams (2012 US Open), Li Na (2014 Australian Open)

No.5 Seed (5)
Barbara Jordan (1979 Australian Open), Gabriela Sabatini (1990 US Open), Venus Williams (2000 Wimbledon), Justine Henin (2006 French Open), Maria Sharapova (2008 Australian Open)

No.6 Seed (6)
Virgnia Wade (1968 US Open), Steffi Graf (1999 French Open), Mary Pierce (2000 French Open), Anastasia Myskina (2004 French Open), Li Na (2011 French Open), Serena Williams (2012 Wimbledon)

No.7 Seed (5)
Arantxa Sánchez-Vicario (1989 French Open), Serena Williams (1999 US Open), Serena Williams (2005 Australian Open), Venus Williams (2008 Wimbledon), Svetlana Kuznetsova (2009 French Open)

No.8 Seed (1)
Petra Kvitova (2011 Wimbledon)

No.9 Seed (3)
Iva Majoli (1997 French Open), Svetlana Kuznetsova (2004 US Open), Samantha Stosur (2011 US Open)

And the rest...
No.10 seed Justine Henin (2005 French Open)
No.12 seed Jennifer Capriati (2001 Australian Open)
No.13 seed Maria Sharapova (2004 Wimbledon)
No.14 seed Venus Williams (2005 Wimbledon)
No.15 seed Marion Bartoli (2013 Wimbledon)
No.17 seed Francesca Schiavone (2010 French Open)
No.23 seed Venus Williams (2007 Wimbledon)
Unseeded Chris O'Neil (1978 Australian Open)
Unseeded Serena Williams (2007 Australian Open)
Wildcard Kim Clijsters (2009 US Open)