Top seeded Argentine Gaston Gaudio reached the final of the $380,000 Bell South Open on Saturday with a three-set win over Spain's David Ferrer.
The former beat Taylor Dent while Fish edged out Chilean Fernando Gonzalez in the semi-finals.
Andy Roddick beat Nicolas Massu after Fernando Gonzalez stunned James Blake in the Davis Cup quarter-final.
Agassi was beaten by Chilean Fernando Gonzalez while Roddick lost to Tim Henman in the semis.
Summary of sports events and persons who made news on Monday
A summary of sports events and persons who made news on Monday
List of Australian Open men's singles champions since the event began in 1905 (Australian unless stated):
List of Australian Open men's singles champions since the event began in 1905 (Australian unless stated):