David Nalbandian, Andreas Seppi win
Need the scores from any match played in today's tournaments? Results
Joao Souza from Brazil also advanced after wild card Dusan Lajovic retired because of an ankle injury.
Last year's champion, top-ranked Novak Djokovic, has pulled out of the tournament that is organized by his family.
Copyright 2012 by The Associated Press
MORE TENNIS HEADLINES
- Serena, Djokovic selected as ITF world champs
- Berdych brings on ex-Murray coach Vallverdu
- Indian Aces win inaugural IPTL exhibition event
- All 100 top-ranked men set for Aussie Open