The Romanian will take on David Nalbandian in the final of the Munich Open.
Gaudio beat Guillermo Garcia-Lopez in a three set semi-final at the Estoril Open while Robredo advanced after Carlos Moya retired.
The two former world number ones and French Open champions traded blows and counter-punches for two hours 48 minutes.
The fifth seeded German needed two hours and 11 minutes to see off the top seed and defending champion in the quarter-finals of the U.S. Clay Court championships.
Top seeded Roddick beat Austria's Jurgen Melzer while Grosjean scored over Nicolas Lapentti in the semi-finals of the U.S. Men's clay court championships.
Top seed Andy Roddick blasted his way into the last four with a 6-4, 6-1 victory over Peru's Luis Horna.
People magazine has named former England football player David Beckham as its Sexiest Man Alive for 2015.
The fourth seeds got a walkover after their opponents Rainer Schuettler of Germany and Mikhail Youzhny of Russia did not turn up.
Croatia's Ivan Ljubicic upset third seed Tim Henman rain disrupted match to reach the semi-finals of the Dubai Open
Tennis coach Gavin Hopper was found guilty of charges relating to a teenage girl who attended a school where he taught.
Summary of sports events and persons who made news on Monday
The West and South zone teams were beaten by Western Railway and Pamposh Orissa respectively in the Tommy Emar Gold Cup women's hockey tournament.
But for third-placed Spurs, who trail leaders Manchester City and Liverpool by five points, this may prove to be a loss that leaves them with too much ground to make up.
Roger Federer slumped to a shock 2-6, 7-6(8), 6-4 loss to German veteran Tommy Haas at the Stuttgart Open on Wednesday in a disappointing comeback after the 18-times grand-slam champion missed the entire claycourt season.
Woods, who has three Open wins in his 14 Majors, will be a big contender on Sunday as Carnoustie Golf Links was benign and amiable with no wind and perfect weather.
Fiji's Vijay Singh became the first player in PGA Tour history to earn more than $10 million in a single season by winning the Chrysler Championship on Sunday.
Andre Agassi beat Spain's Tommy Robredo while Marat Safin knocked out Peruvian Luis Horna at the Madrid Masters.
Andy Murray's hopes of a first Grand Slam quarter-final ended in disappointment when he was beaten 6-1, 5-7, 6-3, 6-0 by seventh seed Nikolay Davydenko of Russia.\n\n
It was a routine win for top seed Novak Djokovic, but his satisfaction at reaching the Wimbledon quarter-finals without dropping a set was mixed with relief after some tricky moments against German veteran Tommy Haas on Monday.
The 13th seeded duo beat Spain's Rafael Nadal and Tommy Robredo 6-3 6-3 in the semi-final on Thursday.
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A summary of sports events and sports persons, who made news on Tuesday
Tommy Haas will take on Nicolas Kiefer in the final of the Mercedes-Benz Cup.
Poignant ceremonies mark 60th anniversary of Munich air crash
Central Command chief General Tommy Franks told the cabinet how he plans to capture Iraq.
The former world number one staged a remarkable comeback in the second round of the Hamburg Masters.
Top seed Rainer Schuettler beat Swede Robin Soderling 6-4, 7-6 in the first round of the Munich Open.
The American is the first player to win back-to-back US Opens since Curtis Strange in 1988 and 1989.
India men's dream run in the ongoing Badminton Asia Team Championships came to an end after a 1-3 semi-final loss to Indonesia, in Hyderabad, on Saturday.
The American No. 2 scored a fluent win over Robert Kendrick U.S. Men's Clay Court Championships.
The 26-year-old has already done enough to replace Tommy Haas as the\n\nGerman No. 1 when the latest world rankings are released on Monday.
