Tennis: ATP Rio Open results -- 1st update

Results from first day of the ATP Rio Open on Monday (x denotes seeding):

1st rd

Dusan Lajovic (SRB) bt Filippo Volandri (ITA) 6-7 (7/9), 6-3, 4-0 retired

Martin Klizan (SVK) bt Guillermo GarcĂ­a-Lopez (ESP) 6-4, 4-6, 7-6 (7/4)

afp