Marin Cilic has split with coach Goran Ivanisevic after three years, the world number 12 said.
President Kolinda Grabar-Kitarovi again seen backing her nation in a top showdown with France
Here is a breakdown of Roger Federer's Grand Slam numbers.
In last year's quarter-finals at the All England Club, Federer saved three match points before edging out Cilic in five sets and the closeness of that match is comforting for the Croat.
World No. 1 Novak Djokovic remained at the top of the rankings chart
Marin Cilic beat Roberto Bautista Agut in straight sets to win a second successive Kremlin Cup in Moscow on Sunday.
Croatia and France were tied at 1-1 after Friday's singles in their Davis Cup semi-final clash in Zadar after Richard Gasquet and Marin Cilic both won their matches.
Federer was cheered on by his wife Mirka Federer and children Charlene Riva, Myla Rose, Lenny and Leo.
This is the first time that the towering Croatian has made the final of the Aus Open
Former semi-finalist Marin Cilic has ruled himself out of this year's Australian Open, tournament director Craig Tiley confirmed on Saturday.
Beaten by Roger Federer in last year's final, Cilic was pushed to the brink by Spanish veteran Verdasco who had the Croat on the ropes in the fourth set tiebreak.
Rafa Nadal returned from an injury layoff to beat Miomir Kecmanovic 6-1 7-6(4) on Wednesday
World No 14 Marin Cilic is through to the semi-finals of the Kremlin Cup after the Croat easily beat Russia's Andrei Kuznetsov 6-2, 6-1 on Friday.
Reigning US Open champion and World No. 9 Marin Cilic will represent the UAE Royals, the Dubai based franchise in the inaugural edition of the International Premier Tennis League (IPTL).
The powerful World No 7 was relentless as he snuffed out any hope of a famous French fightback -- giving Pouille little chance of sending the showpiece into a fifth rubber.
The US Open is the biggest tournament in America's tennis calendar. Enough reason for the big personalities from Hollywood, former tennis champions and other celebrities to catch their favourite tennis stars in action.
Serena Williams faces her first seeded opponent at the French Open on Thursday and will hope to use her booming serve to beat Australian Ashleigh Barty in the second round.
Former world number one Serena Williams returns to Grand Slam action for the first time in over 15 months, when she goes up against Czech Kristyna Pliskova in the French Open first round.
'If you look at the other guys who are 35-36, I think you can very clearly see that the age and the years on tour are affecting them. But not with him'
Nick Kyrgios produced a serve-and-volley masterclass to topple world number one Daniil Medvedev 6-7(2), 6-4, 6-2 for his eighth straight win on a day of upsets, while American Tommy Paul rallied to beat Spanish second seed Carlos Alcaraz.
U.S. Open champion Marin Cilic is a firm believer in the new International Premier Tennis League (IPTL), insisting the four-city mixed team tournament is a perfect addition to his preparations for the new season.
Nadal had arrived in Paris nursing a nagging foot injury and even brought a doctor with him to improve his chances
The Croatian third seed began the day two sets up but 4-3 down on Pella's serve in the third, following Wednesday evening's halt for rain and found his opponent very much up for the fight.
Sharapova's quarter-final defeat by Williams at the 2016 Australian Open was the last competitive match the Russian played for 15 months after she received a doping ban while American Williams was on a maternity break for most of 2017.
Former champions Novak Djokovic, Rafael Nadal and Serena Williams have all entered next month's Western & Southern Open in New York, which will serve as a tune-up for the US Open, tournament organisers said on Wednesday. Organisers of the August 20-28 event, which was relocated from Cincinnati this year because of COVID-19, said defending champions Daniil Medvedev and Madison Keys are also among the initial entries.
Marin Cilic overcame Federico Delbonis 6-3, 7-5, 3-6, 1-6, 6-2 after a titanic tussle in the opening singles rubber to give hosts Croatia a 1-0 lead over Argentina in the Davis Cup final on Friday.
Marin Cilic handed Roger Federer "a tennis lesson" in the semi-finals of the U.S. Open on Saturday, his coach Goran Ivanisevic said.
Rafael Nadal's decision to end his season early means Cilic is actually holding the last berth for the eight-man showdown at London's O2 Arena.
Grit, determination, nerves were all on show at the US Open final.
Despite the world number nine's withdrawal, a strong field is expected for the event, including Roger Federer, Kei Nishikori, Milos Raonic, Grigor Dimitrov and Juan Martin del Potro, who have all confirmed their participation.
Marin Cilic's debut appearance at the ATP World Tour Finals is fast turning into a nightmare after his second consecutive drubbing at the O2 Arena on Wednesday.
Czech Tomas Berdych claimed his first ATP singles title in over a year with a comprehensive 6-4, 6-2 victory over Croatia's Marin Cilic at the ABN Amro World Tennis Tournament in Rotterdam on Sunday.
The Australian Open men's singles final between champion Roger Federer and sixth seed Marin Cilic got underway on Sunday with the roof closed at Rod Laver Arena on a scorching day, triggering a hailstorm of criticism from former players.
Wimbedon, which is considered as the top tennis tournament in the world is drawing to it's business end. Like every year, 2016 also witnessed several celebrities taking centre stage at the SW19 courts. Football icon David Beckham and Hollywood Bradley Cooper were among those watching Roger Federer against Marin Cilic on Wednesday. Kate Middleton, Duchess of Cambridge was seen cheering from the royal box when Serena Williams cruised past Elena Vesnina in the women's semi-final on Thursday.
Marin Cilic warmed up for this month's French Open by capturing his first claycourt title in five years with a 7-6(3), 6-3 win over Canadian top seed Milos Raonic in the Istanbul Open final on Sunday.
Sealing the match with a thumping serve, the 2014 US Open champion will bid for his second grand slam title against Friday's winner of Roger Federer and South Korea's rising star Chung Hyeon.
Defending champion Marin Cilic had to battle hard before beating Kazakhstan's Mikhail Kukushkin 6-7, 7-6, 6-3, 6-7, 5-1 in their 3rd round match of the US Open on Friday.
When Roger Federer stood on the dusty baseline with the scoreboard showing he was trailing Marin Cilic 6-7 4-6 3-3 0-40, it looked like the man with the dodgy back was about to disappear into a giant Wimbledon sinkhole. When the self-styled "old guy" of tennis stood match point down at 4-5 30-40 in the fourth set, it looked like he would be sucked deeper into the mire. When the 34-year-old stood another match point down two games later, the hole was getting wider.
Novak Djokovic beat Daniil Medvedev in the US Open final to win a 24th Grand Slam singles title and equal Margaret Court's record haul.
Having let three match points slide in the fourth set against Roger Federer on Centre Court, Marin Cilic may be forgiven for wanting to rewind the video and replay the key moments again. His Swiss conqueror snatched a pulsating fourth-set tiebreak 11-9 before winning 6-7(4) 4-6 6-3 7-6(9) 6-3 to reach his 11th Wimbledon semi-final and keep up the tilt for an eighth title.