Defending champion Andy Murray blew out the cobwebs with a 7-6, 6-4 win over towering Croat Ivo Karlovic on Tuesday in his first match since winning last month's U.S. Open.
World number one Rafa Nadal withstood a barrage of power serving by Croat Ivo Karlovic to reach the semi-finals of the Indian Wells ATP tournament with a thrilling 5-7, 6-1, 7-6 victory on Thursday.
Fifth seed Andy Murray, sixth-seeded David Ferrer and defending champion Ivan Ljubicic all fell by the wayside on a day of startling upsets at the Indian Wells ATP tournament on Saturday.
Towering Croat Ivo Karlovic toppled third seed Novak Djokovic 7-6, 7-6 to make the quarter-finals of the Madrid Masters on Thursday. Earlier, world number one Rafael Nadal, Roger Federer and Andy Murray all made it to the last eight, but defending champion David Nalbandian went out.
John Isner and Ivo Karlovic became the tallest doubles partnership when they played their first round match at the Australian Open.
Spain's veteran Carlos Moya, who was stunned by Somdev Devvarman in the Chennai Open on Thursday, says India's rising star is armed with a strong game and predicted that he will soon break into the top 100. Somdev defeated the two-time champion in the second round to set up a quarter-final clash against big serving Croat Ivo Karlovic.
Frenchman Fabrice Santoro crushed Novak Djokovic 6-3, 6-2 in the second round of the Paris Masters.
Croat Ivo Karlovic beat Marat Safin 6-3, 6-4 in the first round of the Madrid Masters.
World number one Roger Federer and Andy Roddick also advanced into the third round.
The Indo-Czech duo beat Chris Haggard and Ivo Karlovic 6-7 (3), 6-3, 10-8 in the quarterfinals.
World number one Roger Federer had to play three sets to reach the Qatar Open semi-finals on Thursday, while number two Rafael Nadal had an easier ride when his opponent retired injured to put him in the last four. Swiss Federer survived a scare from 21-year-old Latvian Ernests Gulbis before winning 6-2, 4-6, 6-4 to progress to the next round where he will face Russian third seed Nikolay Davydenko who beat big-serving Croat Ivo Karlovic 7-6, 7-6.
Roger Federer felled big-serving Croat Ivo Karlovic 7-6, 6-3 on Monday to reach the fourth round of the ATP event in Indian Wells. The Swiss world number two, aiming to win the title for the fourth time, snatched the first set on a tiebreak and broke once in the second to clinch victory.
Lleyton Hewitt breezed into the last four of the Tennis Channel Open with a 6-2, 6-0 win over Philip Kohlschrieber
Prakash Amritraj began his campaign at the Hall of Fame Tennis Championships with an easy straight sets win over Flavio Cipolla, in Newport.
FIDE said in a statement that the game of chess has a "genuine global appeal" and that it has 189 national federations and 600 million people who practice chess globally.
Top seeds Sania Mirza and Martina Hingis went through several anxious moments before getting past Russian girls Daria Kasatkina and Alexandra Panova in their opening doubles match at the French Open on Wednesday. The reigning Wimbledon, US Open and Australian Open champions prevailed 7-6(4), 6-2.
Maria Sharapova, Serena Williams and Andy Murray were the big names to win on Monday and advance to the quarter-final of the Wimbledon.
Stanislas Wawrinka had to dig deep to beat Borna Coric at the Western & Southern Open in Cincinnati on Wednesday and conceded his thoughts had been far from tennis over the past few days.
The signs that things were going horribly wrong for Roger Federer were laid bare at Roland Garros.