Second seed and defending champion Lleyton Hewitt was beaten by Frenchman Julien Benneteau to cap a day of surprises at the Las Vegas Open.
Fourth seed John Isner gave himself the perfect US Open boost by upsetting fellow-American Andy Roddick 7-6, 6-4 in a slug-fest between two big servers in the Winston-Salem Open semi-finals on Friday.
Defending champion Roger Federer suffered a shock 6-3, 7-5 defeat by Frenchman Julien Benneteau, who has yet to lift a tour title during his 13-year career, in the World Indoor Tournament quarter-finals on Friday.
American John Isner, battling against the wild weather as much as his opponent, beat unseeded Julien Benneteau of France 4-6, 6-3, 6-4 in North Carolina on Saturday to claim his second title in six weeks.
Argentine Juan Martin del Potro is favourite to add his name to the banner of champions wrapped around the Ahoy Arena after beating Bulgaria's Grigor Dimitrov 6-4, 6-4 at the World Indoor Tournament on Saturday.
Nicolas Mahut and Pierre-Hughes Herbert won the Wimbledon men's doubles title after a straight sets win over fellow French duo Julien Benneteau and Edouard Roger-Vasselin on Saturday.
Veteran pairing Julien Benneteau and Nicolas Mahut booked France's place in another Davis Cup final as they won the doubles to seal the champions' 3-0 victory over Spain in their World Group semi-final on Saturday.
Roger Federer set pulses racing as he diced with danger for more than three hours before dousing the fireworks of French buccaneer Julien Benneteau with a pulsating 4-6, 6-7, 6-2, 7-6, 6-1 Wimbledon third-round win on Friday.
World number one Rafa Nadal battled back to defeat Frenchman Julien Benneteau 5-7, 7-6, 6-2 at the Cincinnati Masters on Thursday and Britain's Andy Murray needed a final set tiebreak to beat Latvia's Ernests Gulbis.
Spain's hopes of a hat-trick of Davis Cup triumphs ended when they fell 3-0 behind to France in Clermont-Ferrand after losing Saturday's doubles rubber.
The unseeded Michael Llodra cruised to his fourth career title when he beat fellow Frenchman and doubles partner Julien Benneteau 6-3, 6-4 in the Marseille Open final on Sunday.
World number one Roger Federer slumped to a surprise 3-6, 7-6, 6-4 defeat by unheralded Frenchman Julien Benneteau in the second round of the Paris Masters on Wednesday. Top seed Federer, who had a first-round bye, made an unusual high number of unforced errors to fall to the unseeded Benneteau, ranked 49th in the world.
Herbert and Mahut added to their 2018 French Open title after recovering from a shaky start.
The Indian pair of Mahesh Bhupathi and Rohan Bopanna crashed out of the men's doubles at the London Olympics, losing 3-6, 4-6 to the French pair of Julien Benneteau and Richard Gasquet, on Tuesday.
Richard Gasquet and Jo-Wilfried Tsonga's unexpected partnership in the doubles allowed France to gain an unbeatable 3-0 lead over Australia on Saturday and join Switzerland and Germany in the quarter-finals of the Davis Cup.
American twins Bob and Mike Bryan added another accolade to their lengthy resume after taking the Shanghai Masters men's doubles title on Sunday to become the first pair to win all nine ATP World Tour Masters 1000 tournaments.
Leander Paes and Radek Stepanek progressed to the pre-quarterfinals of the ATP Masters event at Indian Wells but Mahesh Bhupathi and Rohan Bopanna suffered a shock first round defeat.
Argentine Juan Martin del Potro is determined to go one step further than his runner-up finish 12 months ago at the World Indoor Tournament as he reached the final with a 6-4, 6-4 win over Bulgaria's Grigor Dimitrov on Saturday.
Rohan Bopanna Aisam-ul-Haq Qureshi won their first ever ATP Masters tournament after whipping away the challenge of Julien Benneteau and Nicolas Mahut in straight sets in the final, in Paris, on Sunday.
Jo-Wilfried Tsonga started his quest for an ATP World Tour final spot with a 6-2, 4-6, 7-6 second-round victory over fellow Frenchman Julien Benneteau at the Paris Masters on Tuesday.
Doubles specialists Michael Llodra and Julien Benneteau combined to fire France into the quarter-finals of the Davis Cup Saturday with a battling four-set win over Germany's Philipp Kohlschreiber and Christopher Kas in Toulon. The victory gave the nine-times winners an unbeatable 3-0 lead in the best-of-five tie and set up a last-eight clash against champions Spain or Switzerland in July.
Second seed and defending champion Novak Djokovic ousted France's Julien Benneteau in straight sets on Sunday to cruise into the US Open fourth round.
The Paris Masters win catapulted Rohan Bopanna and Aisam-Ul-Haq Qureshi to fifth from seventh in the latest ATP Team Rankings, issued on Monday.
Rohan Bopanna and Aisam-ul-haq Qureshi prepared for their debut in season-ending finale by capturing the ATP Paris Masters and the Indian said the win is a confidence booster ahead of the elite event in London.
Leander Paes remained on course for his second successive Grand Slam title after reaching the men's doubles pre-quarterfinals of the Australian Open with partner Lukas Dlouhy in Melbourne on Saturday.
Frenchman Julien Benneteau caused a stir during an interview on French radio station RMC Sport on Sunday in which he said tournament referees were often kinder to Federer when it came to scheduling his matches.
Finland's Jarkko Nieminen will have the dubious honour of facing king of clay Rafael Nadal at the Monte Carlo Masters after shrugging off France's Julien Benneteau 4-6, 6-3, 7-6 in Monday's first round.
Roger Federer will meet Leander Paes in the second round doubles while Andy Roddick set up a clash with Mahesh Bhupathi at the Rogers Cup.
Leander Paes and his Czech partner Lukas Dlouhy stormed into men's doubles quarter-finals after edging past Travic Parrott and Philip Polasek in straight sets at Wimbledon on Monday. The ninth seeded Indo-Czech duo beat the American-Slovakian team 7-6 (2), 7-6 (6), 6-4 in two hours and 14 minutes in the third round.
Former world number one Juan Carlos Ferrero advanced to his first Auckland Open final with a 6-3, 6-4 victory over France's Julien Benneteau on Friday.
Wilcard entrant Nicolas Kiefer beat third seed Paul-Henri Mathieu 6-4, 6-3, while German Rainer Schuettler knocked out seventh seed Julien Benneteau 7-5, 6-3 at the ATP Mumbai Open tennis tournament.
Leander Paes and Lukas Dlouhy edged past the local pair of Julien Benneteau and Nicolas Mahut 7-6 (3), 6-3 to enter the men's doubles quarterfinals at the French Open on Saturday.
The third seeds beat Igor Andreev and Nikolay Davydenko in the second round.
Jack Sock ended local favourite Julien Benneteau's run at the Paris Masters with a 7-5, 6-2 victory to reach the final and move to the brink of an ATP Finals spot on Saturday.
World number one Rafael Nadal, taken the distance for the third match running, outlasted Frenchman Jo-Wilfried Tsonga 6-4, 6-7, 6-4 on Friday to reach the semi-finals of the World Indoor Tournament. Nadal, who went to three sets against Simone Bolelli and Grigor Dimitrov earlier this week, next meets fifth seed Gael Monfils who beat French compatriot Julien Benneteau 7-6, 6-1.
Top seeded Indo-Czech pair of Leander Paes and Lukas Dlouhy stormed into the summit clash of the Thailand Open after inflicting a straight-set defeat on Fabrice Santoro and Jo-Wilfred Tsonga in Bangkok on Saturday.
Maria Sharapova's French Open hopes were shredded by a familiar foe on Monday, while Roger Federer plunged a dagger into French hearts.
Andy Roddick entered the fourth round with a 6-1, 6-2, 6-2 win over France's Julien Benneteau
Mahesh Bhupathi and Jamie Murray fell to top seeds Mike and Bob Bryan in the second round.