France's Richard Gasquet ended Andy Murray's Masters Cup hopes by beating the British number one 6-3, 0-6, 6-4 in the Paris Masters Series quarter-finals on Friday.
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.
The Indo-Czech pair went down to Russia's Mikhail Youzhny and Philipp Kohlschreiber of Germany in the BMW Open.
Italy's Andreas Seppi pulled off an early upset at the Vienna Open on Monday with a 6-2, 6-2 defeat of eighth seed Marcos Baghdatis.
Ivan Ljubicic will take on Robin Soederling in Friday's other semi-final.
Novak Djokovic dug into his vast reserves of willpower to outlast Marcos Baghdatis and reach his first Wimbledon semi-final on Friday.
Haas had earlier defeated Russia's Mikhail Youzhny with an identical 6-4, 6-3 score.
Marcos Baghdatis failed to repeat his heroics of last year and was beaten by Frenchman Gael Monfils in the second round of the Australian Open.
Stanislas Wawrinka edged out Cypriot Marcos Baghdatis in a nerve-jangling, near-30 minute tiebreak to secure the Dubai Duty Free Championship with a 6-4, 7-6(13) triumph on Saturday.
Whack. Whack, whack, whack. Whack. Whack. Four broken racquets, $1,250 worth of fines and more than 200,000 hits on video sharing website YouTube was all it needed for Marcos Baghdatis to enter Australian Open folklore.
Marcos Baghdatis swept aside Carlos Moya 6-2, 6-3 in the first round of the Rome Masters.
Novak Djokovic's run of 17 successive Tour finals came to a grinding halt when he was forced out of the Dubai Open on Thursday.
Rafael Nadal stormed into the third round of the Australian Open on Thursday with a 6-3, 6-1, 6-3 demolition of former finalist Marcos Baghdatis.
The fourth seed from the Czech Republic beat Marcos Baghdatis 7-5, 6-4 in the final.
Garbine Muguruza claimed a 6-4, 7-6(3), 7-5 win over Johanna Konta
The top seeded Swiss beat Marcos Baghdatis 5-7, 7-5, 6-0, 6-2 to win the Australian Open
Rohan Bopanna and his new German partner Andre Begemann knocked out the top seeded pair of Alexendra Peya and Bruno Soares to storm into the quarter-finals of the ATP 500 Citi Open in Washington.
Women's top seed Russian Maria Sharapova will play France's Camille Pin in her first round match at the Australian Open.
Flavia Pennetta, Italy's newly-crowned US Open women's singles champion, will represent Mumbai Masters in this year's Champions Tennis League along with 1996 Wimbledon men's champion Richard Krajicek of the Netherlands following the players' draft, in Mumbai, on Wednesday. The second edition of the Champions Tennis League, the brainchild of former India Davis Cup captain Vijay Amritraj, will be played from November 23 to December 6, an increase of four days from last year's ten-day duration, announced Amritraj at a media conference after the players' draft.
Rajeev Ram and partner Harel Levy of Israel set up a showdown with Cypriot star Marcos Baghdatis and Marc Gicquel at the Chennai Open.
Reigning champion and ninth seed Juan Ignacio Chela was knocked out in the first round of the Estoril Open.
Roger Federer survived a scratchy performance to beat Marcos Baghdatis 7-6, 7-5 to reach the quarter-finals.
The unseeded Russian beat Marcos Baghdatis to reach the quarter-finals of a Grand Slam for the first time at the French Open.
The Russian was too strong for second seed Berdych in the semis, Kohlschreiber went through to his first ATP final beating fourth seed Marcos Baghdatis.
World number one Rafa Nadal, searching for his first US Open title, says he has to improve rapidly to have a chance of glory at Flushing Meadows later this month.
Agnieszka Radwanska continued her pre-Wimbledon tune-up by reaching the final of Eastbourne grasscourt tournament with a 6-1, 6-7(3), 6-2 win over America's Sloane Stephens on Friday.
Yuki Bhambri struggled to rein in his unforced errors and played well only in patches as his third Australian Open appearance ended with a straight-set first-round defeat at the hands of a seasoned Marcos Baghdatis, in Melbourne on Monday.
Tomas Berdych swept aside American Jack Sock to make it two Stockholm Open titles in a row, winning Sunday's final 7-6(1), 6-2 in the Swedish capital.
His early tennis experiences were at the shell-ravaged Zetra Olympic Hall which was used as a temporary morgue during the war.
Juan Martin del Potro continued his encouraging buildup to the Australian Open by reaching the semi-finals of the Sydney International on Thursday, but women's contender Petra Kvitova was stunned by a Bulgarian qualifier in the last four.
Fourth seed Andy Murray erased memories of early losses at Indian Wells by storming into the BNP Paribas Open third round with a ruthless 6-1, 6-3 victory over Canadian Vasek Pospisil on Saturday.
Pune Marathas made a remarkable recovery from 0-2 down to win their next three matches in a row as their contest against Bangalore Raptors ended in a thrilling tie to run away with a bonus point in the Champions Tennis League on Thursday.