Fourth seed Nikolay Davydenko threw away a two-set lead before going down 4-6, 2-6, 6-2, 6-2, 6-4 to Croatian Ivan Ljubicic in the third round of the French Open on Saturday. Ljubicic, seeded 28th, will next face France's Gael Monfils, who beat Austrian Juergen Melzer.
Twice champion Ivan Ljubicic scraped past Mardy Fish of the United States 6-7, 6-2, 7-6 in the Vienna Open second round.
The Wimbledon champion was dumped by the world No. 47 in the second round of the Swiss Indoors.
World No 7 Fernando Gonzalez stayed on course for his first title of the year a quarter-final victory over South Korea's Lee Hyung-taik at the China Open.
The world No 5 Croatian defeated British No 1 Andy Murray in the final.
Croatian top seed Ivan Ljubicic beat Russia's Mikhail Youzhny 2-6 6-3 7-5 on Saturday to set up a final with second seeded Cypriot Marcos Baghdatis in the Zagreb Open.
Ivan Ljubicic and Gaston Gaudio were the biggest casualties in second-round matches at the Hamburg Masters
Croatia's Ivan Ljubicic upset third seed Tim Henman rain disrupted match to reach the semi-finals of the Dubai Open
Ivan Ljubicic salvaged the opening day of Croatia's Davis Cup semi-final against Russia, winning a pulsating five-set duel with Mikhail Youzhny to level the tie 1-1.
Top seed Nikolay Davydenko of Russia and second-seeded Croatian Ivan Ljubicic progressed into the second round of the $1 million Qatar Open in contrasting fashions on Tuesday.
Croatia reached the Davis Cup semi-finals for the first time after Ivan Ljubicic beat Romania's Andrei Pavel
They were beaten by Lee Hyung-Taik and Paradorn Srichaphan respectively in the quarter-finals of the China Open.
Ivan Ljubicic and Nikolay Davydenko advanced to the quarterfinals of the China Open.
Roger Federer swept aside Spain's David Ferrer 6-1, 6-4 in Nasdaq-100 Open semi-final
Britain's Tim Henman eased past Clement Arnaud and will meet third seed Richard Gasquet in the next round.
Croatian Ivan Ljubicic grabbed the last ticket to the eight-strong Masters Cup on Friday.
Ivan Ljubicic reached his second final in two weeks when he beat fifth-seeded Spaniard Tommy Robredo.
The towering Croatian, who has won 20 of his last 22 matches, will meet the unfancied Tomas Berdych in the Paris Masters final.
The second-seeded Cypriot, who earned his third career victory over Ljubicic, had to work hard for every point in the two-and-a-half-hour final.
Ivan Ljubicic stumbled in his bid to qualify for the Masters Cup when he lost 7-5, 6-7, 7-5 to Colombian Alejandro Falla in the quarter-finals of the Lyon Grand Prix on Friday.
Ivan Ljubicic had a double birthday letdown on Thursday when he lost to Andy Murray in the quarter-finals of the ATP event at Indian Wells and was wrongly denied a point by the Hawk-Eye system. The big-serving Croat was beaten 7-5, 7-6 on his 30th birthday after being frustrated by a successful Murray challenge at 4-4 in the ninth game of the second set.
Briton Andy Murray regained his winning form as he eased past Croatia's Ivan Ljubicic 6-3 6-2 in the first round of the World Indoor Tournament on Tuesday.
Top seed Ivan Ljubicic won his third title of the year by beating fifth seed Fernando Gonzalez of Chile 6-3, 6-4, 7-5 in the Vienna Open final on Sunday.
Marin Cilic relied on a dominant serve to beat fellow Croat Ivan Ljubicic 6-4, 6-3 and reach the China Open final on Saturday.
Second seed Fernando Gonzalez and defending champion Ivan Ljubicic both suffered quarter-final exits from the Vienna Open on Friday, leaving world number three Novak Djokovic as the tournament's only remaining seed.
Russia's Anna Chakvetadze beat injury-hit top seed Jelena Jankovic of Serbia to win the women's title at the Den Bosch Open on Saturday, while Croatia's Ivan Ljubicic beat Dutchman Peter Wessels to win the men's.
The Croat easily beat Paradorn Srichaphan while Blake edged past Marat Safin in the semi-finals.
Top seed Ivan Ljubicic was the only seed to reach the quarter-finals of the Zagreb indoor tournament
Croat Ivan Ljubicic celebrated his first Masters 1000 title after upsetting seventh-seeded American Andy Roddick 7-6, 7-6 in the final of the Indian Wells ATP tournament on Sunday.
Ivan Ljubicic played the match of his life to upset third seed and holder Rafael Nadal 3-6, 6-4, 7-6 on Saturday and reach the final of the Indian Wells ATP tournament.
Novak Djokovic tumbled out of the Indian Wells ATP tournament on Wednesday, upset 7-5, 6-3 by big-serving Croat Ivan Ljubicic in the fourth round.
Top seed Rafa Nadal moved into the semi-finals of the Shanghai Masters on Friday when Ivan Ljubicic became the eighth player to retire from the $3.24 million tournament. The Spanish world number two had just evened the match up at 3-6, 6-3 when 30-year-old Ljubicic, who had already had treatment on his left thigh, decided he could no longer continue.
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.
Croatian Ivan Ljubicic captured his first ATP title in two years when he dismissed France's Michael Llodra 7-5, 6-3 in the final of the Lyon Grand Prix on Sunday.
The top seed survived three match points before beating Ivan Ljubicic in the semi-finals of the RCA Tennis Championships.