Fish will meet seventh-seeded Jeremy Chardy in the next round. Chardy advanced to his second semifinal of the year with a 7-6 (7), 7-6 (3) win over Marcos Baghdatis.
"I know he's a young player and he's certainly talented,'' said Fish, who has never seen Chardy play. "And I know he's had some great wins.''
Chardy, who lost his first career tour final to fellow Frenchman Jo-Wilfried Tsonga in Johannesburg earlier this month, initially held a 5-2 lead in the first set.
But Baghdatis forced a tiebreaker. At 7-7, Baghdatis double-faulted and smacked a backhand wide to surrender the set.
Baghdatis erred early on in the second-set tiebreaker. He netted a backhand to give Chardy his first match point at 6-2.
"It was tough but I play very well in the tiebreakers,'' Chardy said.
Christophe Rochus will face Evgeny Korolev in the other semifinal. Rochus advanced with a 6-3, 7-6 (6) win over 2000 Delray Beach champion Stefan Koubek, and Korolev posted a solid 6-2, 6-2 victory over Guillermo Garcia-Lopez.
"I'm looking forward to tomorrow and, hopefully, I can be even better,'' Korolev said. "I'm very happy with where I am right now. I'm happy with the way I'm playing.''
Rochus broke Koubek in the second and fourth games to secure the first set, but fell behind 5-2 in the second set before rebounding.
"I'm really happy because I've never beaten him before,'' Rochus said. "I lost four times. He has the kind of game I don't like to play.
"But I'm playing really good for the moment.''
Chardy beats Baghdatis toВ make Delray semis
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