The registrations for Stuttgart have been opened. You can go here
The surface is Clay and the winner will be rewarded with 250 ranking points.
The applications will be closed on Saturday.
2010 Singles: 66-10 (no wo (4))
2010 Doubles: 21-11
2009 Singles: 105-14 (no WO (6))
2009 Doubles: 11-8
'10: W: AO, Miami, Casa, Barca, Rome, Stuttgart, Hamburg, Cincy
'09: W: 13 including Rome, Madrid, RG, Wimby, Cincy, USO