Monday's photos of the day

1 of 5 Mary Pierce delivers a blistering forehand on her way to victory in the Acura Classic in California

2 of 5 Timothy Liebhold powers through the water as he claims the US national title in the 200m individual medley

3 of 5 Nascar drivers speed round the Brickyard track during the Allstate 400 in Indiana

4 of 5 Victor Zambrano of the New York Mets prepares to pitch against the Chicago Cubs at Shea Stadium

5 of 5 The sun finally comes out at the rain-hit International in Colorado as Jeff Brehaut drives off at the 9th