Ivo Karlovic set a US Open record on Tuesday when he banged down 61 aces on his way to a first round victory over Taiwan's Lu Yen-Hsun.
Images from Day 3 of the 2025 Australian Open in Melbourne on Tuesday.
Kyrgios was raging after losing a challenge on his first serve and then smashed down an unstoppable, untouchable second.
Putting all the stats together, 6ft 11in tall Ivo Karlovic emerges as arguably the strongest contender. He tops the lists for number of aces, aces per match and percentage of service games won.
Second seed Gael Monfils edged past Croatia's Ivo Karlovic 7-6(6), 7-6(6) and Marin Cilic ousted Argentine Juan Monaco 7-5, 6-1 to progress to the Japan Open semi-finals in Tokyo on Friday.
Croatian Ivo Karlovic hit a record 45 aces en route to beating third seed Tomas Berdych and reach the Halle Open semi-finals on Friday.
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.
Croatia, Serbia and Austria sealed places in the Davis Cup quarter-finals on Sunday after converting 2-1 overnight leads into winning margins.
Croatia's Ivo Karlovic called Wimbledon's credibility into question and accused line judges of bias after he was foot-faulted "11 times" in his second-round defeat by Andy Murray on Thursday.
Djokovic dropped only three games against Klizan.
Andy Murray joined Emma Raducanu through the exit door after a four-set defeat by John Isner.
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.
Wimbledon was hit by some high-profile withdrawals on the eve of the draw, tournament organisers said on Thursday.
Croatia's Ivo Karlovic pulled out of next week's Wimbledon championships on Thursday because of a foot injury.
Indian ace pair of Leander Paes and Mahesh Bhupathi registered a straight set victory over Argentina's Juan Monaco and Feliciano Lopez of Spain 7-6, (2) 6-4 to advance to the third round of the Australian Open men's doubles event, in Melbourne on Saturday.
Indian tennis duo of Leander Paes and Mahesh Bhupathi entered the second round of the men's doubles in Australian Open after they rallied from a set down to beat Ivo Karlovic and Dusan Vemica 5-7, 6-3, 6-0, in Melbourne on Thursday.
Paes and Mahesh Bhupathi took contrasting routes to the doubles quarter-finals in the Internazionali BNL D'Italia tennis tournament in Rome on Thursday. Third seeds Paes and his Czech partner Lukas Dlouhy swamped Ivo Karlovic and Dusan Vemic 6-1, 6-1, while fourth seeded Bhupathi and his Bahamian teammate Mark Knowles survived some torrid moments before beating unheralded Simon Bolelli and Andreas Seppi 7-6(5), 2-6, 10-3.
Leander Paes had a bitter-sweet experience at the Australian Open, sailing into the semi-finals of the mixed doubles but crashing out of men's doubles, in Melbourne, on Wednesday.
Somdev Devvarman's fans may still be relishing his stunning victories over Carlos Moya and Ivo Karlovic but the new Indian tennis star has left behind those wins and is completely focussed on the title clash of the Chennai Open against third seed Marin Cilic on Sunday.
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.
Somdev Devverman's dream run came to an end with a 5-7, 1-6 loss against the towering Ivo Karlovic of Croatia in the singles third round of the USD 1.4 million Legg Mason Tennis Classic in Washington.
Somdev Devvarman registered the biggest win of his fledgling career when the wiry Indian upstaged sixth seeded Marin Cilic in straight sets in the second round of the USD 1.4 million Legg Mason Tennis Classic in Washington.
Ivo Karlovic and Marin Cilic won five-set marathons at home to put Croatia 2-0 ahead of 32-time champions United States, while Israel stunned favoured Russia to also lead 2-0 in the Davis Cup quarter-finals on Friday. Champions Spain were held to 1-1 by Germany in Marbella, and the Czech Republic and Argentina were tied after the opening two singles in their best of five tie.
Five-times champion Roger Federer took the sting out of Croatian Ivo Karlovic's venomous serve to book his place in a 21st straight Grand Slam semi-final at Wimbledon.
Ninth seed Jo-Wilfried Tsonga of France could find no solution to the problem of Ivo Karlovic's massive serve as the Croatian ran out a 7-6 6-7 7-5 7-6 victory in their third-round clash at Wimbledon on Friday.
Leander Paes and Mahesh Bhupathi easily advanced to the quarter-finals of the US $ 2,615,000 Cincinnati Masters tournaments along with their respective partners. The sixth seeded pair of Paes and Lukas Dlouhy of the Czech Republic defeated Ivo Karlovic of Croatia and Rogier Wassen of Netherlands 6-4, 6-2 in the second round. Meanwhile, Bhupathi and his Bahamian partner Mark Knowles got a walkover from Czech pair Tomas Berdych and Radek Stepanek.
World number one Roger Federer beat Croatia's Ivo Karlovic 7-6, 6-3 in the Rome Masters on Thursday to book a quarter-final against Czech Radek Stepanek.
Indian wildcard Somdev Devvarman toppled world number 25 Ivo Karlovic to reach the semi-finals of the Chennai Open on Friday.
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.
Women's top seed Russian Maria Sharapova will play France's Camille Pin in her first round match at the Australian Open.
The world No 1 will face unseeded Finn Jarkko Nieminen, who defeated 2006 Australian Open finalist Marcos Baghdatis 7-6 6-2 in the other semi-final.
Novak Djokovic beat Rafael Nadal 6-1, 7-5 on Saturday to reach the final of the Cincinnati Masters and bring the Spaniard's 32-match unbeaten streak to a halt. Serb Djokovic will meet Andy Murray in the final after the 21-year-old Briton overcame giant Croatian Ivo Karlovic in the day's other semi-final.
Croatian Ivo Karlovic won the Nottingham Open for the second successive year, beating Spain's Fernando Verdasco 7-5, 6-7, 7-6.
Croatian Ivo Karlovic will defend his Nottingham Open title against Spaniard Fernando Verdasco after both men won their semi-finals in straight sets on Friday. Karlovic beat French Open semi-finalist Gael Monfils 7-6, 7-6, winning both tiebreaks 7-4, while the third-seeded Verdasco got to his first grasscourt final by defeating Marin Cilic of Croatia 6-3, 6-1 in just over an hour.
Rafael Nadal survived a barrage of aces from Ivo Karlovic on Friday to reach the semi-finals of the Queen's Club ATP tournament for the first time with a 6-7, 7-6, 7-6 victory. The top seed saw 35 aces fly past his racket but showed plenty of grasscourt skills of his own to sneak through to face defending champion Andy Roddick in the semi-finals.
France's Arnaud Clement beat Jonas Bjorkman indoors at the Nottingham Open for his second successive victory over a previous tournament winner, having earlier disposed of defending champion Richard Gasquet.
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.
Mariano Zabaleta upset James Blake 7-5, 7-6 to advance to the final of the US Clay Court Championships.
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