ROTTERDAM, The Netherlands, Feb 8, 2010 (AFP) - Results from the first day of the ABN AMRO World Tennis Tournament here on Monday (x denotes seeding):

1st rd:

Igor Sijsling (NED) bt Mischa Zverev (GER) 6-7 (2/7), 6-3, 7-5

Tommy Robredo (ESP x5) bt Robin Haase (NED) 7-6 (7/4), 6-4

Florian Mayer (GER) bt Janko Tipsarevic (SRB) 6-3, 6-7 (6/8), 7-6 (8/6)

Robin Soderling (SWE x3) bt Florent Serra (FRA) 4-6, 6-4, 6-1

Andreas Seppi (ITA) bt Stephane Bohli (SUI) 6-1, 7-5

afp10