Wimbledon 2010 champ Serena Williams tweets first day back on tennis courts

Tennis superstar Serena Williams has tweeted today that she’s back on tennis courts after suffering a serious of health problems. The 13-time Grand Slam singles champion was photographed wearing a full-body pink suit as she practiced.

The 29-year old has not played an official match since winning the Wimbledon 2010 tournament last year after cutting her foot at a restaurant. Her comeback was further delayed after being found to have blood clots in her lung.

This week, the American’s world ranking is number ten despite the inactivity in the women’s tour.