double-faulting

Or how Dinara Safina let another Grand Slam title slip through her fingers by double-faulting on match point at the 2009 French Open finals.

Choke Ph.D. Sian Beilock 2010

Jankovic earned her fourth set point with an ace, then blew it by double-faulting.

U.S. Open title No. 3 makes Serena No. 1 again 2008

Even a doughty fighter like Li Na, ranked 12th in the world, could not compete when it came to the key points, double-faulting twice and overhitting a volley to present her opponent with a 6-5 lead in the first set.

Wimbledon 2010: Only one Williams – but it looks sweet for Serena 2010

Dementieva began the next game by double-faulting, and eventually was broken when a 67 mph serve put her on the defensive.

Women's final set: S. Williams, Jankovic advance at Open 2008

Nadal battled back to 5-4 before double-faulting, and Querrey closed the set two points later.

Nadal, Ferrer give Spain 2-0 lead over U.S. in Davis Cup 2008

Or how Dinara Safina let another Grand Slam title slip through her fingers by double-faulting on match point at the 2009 French Open finals.

Choke Ph.D. Sian Beilock 2010

Murray wins the first set 7-5 Hajek races out to a 40-0 lead before seeming to have an attack of the yips, patting a forehand into the tramlines on the right before double-faulting to give Murray a way back into the game.

Wimbledon 2010: Andy Murray v Jan Hajek - as it happened Paolo Bandini at Wimbledon 2010

Or how Dinara Safina let another Grand Slam title slip through her fingers by double-faulting on match point at the 2009 French Open finals.

Choke Ph.D. Sian Beilock 2010

He began the match by double-faulting on the way to getting broken at love, something he later attributed to contact-lens problems.

Nadal, Federer set for another meeting in French Open final 2008

Even when she faltered, double-faulting twice in a row, she recovered to hold for a 4-0 lead, throwing her 5-foot-5, 125-pound frame into a 110 mph service winner and a 98 mph second-serve ace.

Henin sweeps through for another U.S. Open title 2007