Fernando Gonzalez of Chile organized the event Saturday with Roddick's help. Grand Slam champions Jim Courier and Gustavo Kuerten also played.
Roddick came up with the shot of the match - a back-to-the-net flick through his legs and between his opponents for a winner. As the crowd roared, Roddick waved his index finger and sprinted off the court, pretending to leave.
Story continues below ↓advertisement | your ad here"See you tomorrow!" he shouted.
He'll face Tomas Berdych in the men's final.
The charity event raised $125,000 and drew several thousand fans, who occasionally chanted, "Chi-chi-chi! Le-le-le!"
"I felt lucky to participate," Kuerten said. "Hopefully this will give people some hopes and dreams."
"My country will never forget this," Gonzalez said.
© 2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Pep promises attacking intentRoddick reaches quarterfinals at Key Biscayne