The Serb beat Guiilermo Canas 6-3, 6-2, 6-4 in the final of the Miami Masters on Sunday.
Argentine Guillermo Canas tamed big-hitting Croat Ivan Ljubicic 7-5 6-2 to reach the final of the Sony Ericsson Open on Friday, underlining his return to top form following a 15-months doping ban.
Rafael Nadal and Andy Roddick advanced into the last eight of the Miami Masters.
World number one Roger Federer suffered a stunning 7-5, 6-2 upset defeat by Argentine Guillermo Canas in the Pacific Life Open second round on Sunday.
Guillermo Canas won his first tournament since a 15-month doping ban when he claimed the Brazil Open.
Coria has injured a shoulder while Ferrero pulled out of next week's 2.425 million dollar event with illness.
Rafael Nadal won his first title of the year with a 6-4, 6-1 victory.
Rafael Nadal, working his way back to top form after wrist problems last year, screamed with delight on reaching the Argentine Open semi-finals with a 6-1 6-1 rout of Federico Delbonis on Friday.
The 2004 French Open finalist withdrew from the Grand Slam with an elbow injury
Rafael Nadal's match was interrupted by a female spectator campaigning for Catalan independence
Crimson Peak is not for everyone, but the mood is set very early on, says Raja Sen.
Indian tennis ace Leander Paes and his German partner Andre Begemann squandered as many as five match points in the second set to eventually lose the summit clash against Guillermo Garcia-Lopez and Henri Kontinen in a three-setter at the ATP Winston-Salem Open.
The Argentina ace beat his compatriot to earn his first victory at the season-ending Masters Cup.
Federer is chasing a third consecutive finale title -- a feat last achieved by Ivan Lendl in 1985-87.
The top-seeded Swiss has lost five times to eighth-seeded Nalbandian but has won their last three matches.
Defending champion Roger Federer was drawn against Guillermo Coria, Ivan Ljubicic and David Nalbandian in the group stages of the Masters Cup.
World number one Roger Federer and number two Rafael Nadal pulled out of the Hamburg Masters due to fatigue.
Rafael Nadal underlined his status as the king of clay when he beat Guillermo Canas to win the Open for the third consecutive year.
Rafael Nadal extended his winning streak on clay to 46 after he edged out fellow Spaniard Nicolas Almagro at the Barcelona Open.
Roger Federer and Rafael Nadal were one match away from their first clash of the season after clinical wins in the Monte Carlo quarter-finals.
The American ace lost 6-4, 6-2 to Guillermo Garcia-Lopez in his comeback tournament in Florida
Sebastien Grosjean upset sixth seed Guillermo Coria while Tommy Robredo beat James Blake
Roger Federer produced an imperious display to dismiss unseeded German Florian Mayer 6-1, 6-4, 6-0 in the second round
The German became the first player to enter the final with a 6-4, 6-4 victory over Argentina's Guillermo Coria.
The world number nine beat Spain's Guillermo Garcia-Lopez 7-6 (6), 7-5 in a match that lasted over two hours at the Chennai Open.
World number two Andy Roddick will take on in-form Russian Marat Safin in the season-ending ATP Tennis Masters Cup.
Roger Federer was made to work hard by Fernando Verdasco before beating the Spanish veteran 6-3, 3-6, 6-3 on Wednesday to reach the quarter-finals of the Dubai Duty Free Tennis Championships.
List of US Open men's singles champions since the Open Era began in 1968:
The organisers of European Masters Series tournaments will meet in Paris on Tuesday to discuss ways to curb the number of withdrawals by leading players.
Roger Federer beat Argentina's Guillermo Coria 6-0, 1-6, 6-2 at the Masters Cup
The Spanish teenager produced another dazzling performance to storm into the Barcelona Open quarter-finals.
