While there weren't many big upsets on the Men's side of Wimbledon on Wednesday, four women ranked in the top 15 in the world all lost first or second round matches.
The highest seed to lose was No. 5 Samantha Stosur of Austraila who lost to Arantxa Rus of the Netherlands 6-2, 0-6, 6-4. No. 7 Caroline Wozniacki, No. 11 Na Li and No. 13 Dominika Cibulkova were all upset as well. Notable winners on the women's side include No. 3 Agnieszka Radwanska, No. 10 Sara Errani and No. 14 Ana Ivanovic.
On the Men's side of the tournament, No. 3 Roger Federer won in straight sets against Fabio Fognini, 6-1, 6-3, 6-2. American Andy Roddick won his first round match against Jamie Baker, 7-6 (6-1), 6-4, 7-5. All the other top ranked players on the men's side won their match Wednesday.
A full Wimbledon 2012 scoreboard can be found at SI.com.
For more throughout Wimbledon, visit SB Nation's Tennis hub.