Reigning champion dazzles in fantastic frontcourt point.
Frenchman loses his balance then loses his grip.
The normally fleet-footed Belgian takes a clumsy tumble during first-round action in Paris.
Victoria Azarenka pulls the plug at a major for the first time since 2010.
Two-time semifinalist drops deft touch in first-round win.
King of Clay conjures a magical tweener.
Just when you thought you'd seen it all, tennis twitter GIFs you a surprise...