UPDATE 1-Tennis-Buenos Aires Open men's singles results

Feb 18 (Reuters) - Buenos Aires Open men's singles first
round results on Monday (prefix number denotes seeding, * new
result)
* 1-David Nalbandian (Argentina) beat Peter Luczak (Australia)
6-3 6-3
Jiri Vanek (Czech Republic) beat Carlos Berlocq (Argentina) 6-4
7-5
7-Potito Starace (Italy) beat Boris Pasanski (Serbia) 6-1 3-6
6-4

(Compiled by Infostrada Sports; Editing by Padraic Halpin)