03 May,2012 06:07 AM IST | | AFP
Haas, who was as high as No 2 in the world in 2002 but has slid to 134 in the rankings after suffering several injuries, tore into World No 5 Tsonga's serve breaking him in both the second and fourth games of the first set. Haas made the break in the fifth game to go 3-2 up and held on to claim the win.u00a0