Tennis star Roger Federer's wife has served up a deuce after giving birth to the couple's second set of twins.

The Swiss sportsman and his wife Mirka welcomed sons Leo and Lenny to their family, and Federer took to on Tuesday (06May14) to share the happy news with fans.

He wrote, "Mirka and I are so incredibly happy to share that Leo and Lenny were born this evening!"

Federer hinted at the twins' arrival on Monday (05May14) when he announced he had withdrawn from the upcoming Madrid Open tennis match in Spain this weekend (begs09May14).

The Federers are already parents to identical daughters Myla and Charlene, who were born in the summer of 2009, three months after the couple wed.