Wimbledon experienced seven retirements or walkovers on Wednesday, which is believed to be a record for a single day of Grand Slam play according to the International Tennis Federation.
Players who retired or pulled out included John Isner, Victoria Azarenka, Steve Darcis, Radek Stepanek, Jo-Wilfried Tsonga, Yaroslava Shvedova and Marin Cilic.
In the Open Era (1968 to present) the most singles retirements and walkovers at a Grand Slam tournament overall is 17 players (11 men and 6 women) at 2011 U.S. Open. The total number of singles retirements and walkovers at 2013 Wimbledon so far is 10 players.