Dubbed the 'King of Clay' for his jaw-dropping 112-4 win-loss record at the Paris major, Rafael Nadal's last Roland Garros triumph came in 2022.
Kubica won the race in his fifth attempt, his first three in the second tier LMP2 category, to become Poland's first overall winner since Le Mans was first staged in 1923.
Here are some facts about Federer and his ranking.
The 20-times Grand Slam champion suggested after the third-round clash which ended past midnight that he could preserve himself for Wimbledon which begins on June 28.
Five-times winner Roger Federer will go into next week's U.S. Open as the world number two after beating Novak Djokovic in the final of the Western & Southern Open in Cincinnati at the weekend.
Roger Federer will make his only appearance on clay this season at Roland Garros, his agent said. The Swiss skipped the entire claycourt season in 2017 and 2018 and last year played only two tournaments on the surface before arriving in Paris for the French Open.
Juan Martin del Potro's comeback trail will collide with Roger Federer's after the Argentine won his opening Miami Open match against compatriot Guido Pella on Wednesday.
Switzerland's favourite sporting son Roger Federer expressed his disappointment over the corruption scandal engulfing soccer's world governing body FIFA on Friday.
Roger Federer added yet another record to his vast collection when he guaranteed becoming the oldest ATP world number one by beating Dutchman Robin Haase 4-6, 6-1, 6-1 to reach the semi-finals in Rotterdam on Friday.
Roger Federer breaks new ground by competing in India in the exhibition International Premier Tennis League, and his fans in the world's second most populated country can hardly wait.
American great John McEnroe expects Roger Federer's sensational comeback season to continue in New York when the US Open kicks off on Monday.
Roger Federer was joined by Rafael Nadal, Novak Djokovic and Andy Murray at a fun practice session that held the spectators spellbound.
Former World No 1 Roger Federer has made his "childhood hero" Stefan Edberg part of his coaching team and will use him on an occasional basis next year, the Swiss said on Friday.
Federer, a 20-times Grand Slam champion and the world number three, won the last of his eight Wimbledon titles in 2017 and is seeded second this year behind top-ranked Novak Djokovic.
The 35-year-old Swiss, showing no sign of losing his edge, improved to 19-1 this year, winning the Australian Open in five sets over Nadal, and BNP Paribas Open in straight sets over fellow Swiss Stan Wawrinka.
Seven-times champion Novak Djokovic scored his 100th match win at Wimbledon and led the march of the old guard into the last 16 on Saturday while an ailing Barbora Krejcikova's title defence ended in defeat and tears.
Novak Djokovic said the pursuit of Olympic gold left him without much in the tank for his US Open title defence.
Roger Federer kept up his sprint through the early rounds of the US Open on Thursday, steamrolling Steve Darcis of Belgium 6-1, 6-2, 6-1 to reach the third round of the year's final Grand Slam.
It has now come to light that Federer's wife Mirka is at the centre of this now infamous row between the seventeen-time Grand Slam champion and the 2014 Australian Open champion.
The immaculate Serb became the first player in the Tour Finals' 46-year history to claim the title four times in a row
Roger Federer dug himself out of a late slump to fend off American qualifier Noah Rubin 7-5, 6-3, 7-6(3) on Wednesday and draw vital confidence for a tough third round clash against 10th seed Tomas Berdych at the Australian Open.
The 35-year-old's first match back in action last week at the Stuttgart Open was a flop when he suffered a shock loss to German veteran Tommy Haas, ranked 302 at the time, despite leading for a set and a half.
Top seed Roger Federer was beaten 6-4, 7-6 by American James Blake in the quarter-finals of the Olympic men's singles on Thursday.
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.
Carlos Alcaraz said he could hold his head high despite being unseated from his Wimbledon throne by Jannik Sinner on Sunday and the Spaniard praised their hot rivalry for being several notches higher than the others on the men's tour.
Defending champion Roger Federer's remarkable run of reaching 36 consecutive Grand Slam quarter-finals or better was ended in a shock second-round Wimbledon defeat by unheralded Ukrainian Sergiy Stakhovsky on Wednesday.
An inspired Milos Raonic toppled Roger Federer 6-4, 6-4 to win the Brisbane International on Sunday and avenge his defeat to the Swiss master in last year's final.
Roger Federer will not warm up for the Australian Open at this week's Kooyong Classic in Melbourne, prompting organisers to target Briton Andy Murray for the vacant eighth spot in the invitational field.
Roger Federer produced a vintage performance to crush Richard Gasquet 6-4, 6-2, 6-2 and seal Switzerland's maiden Davis Cup title with a 3-1 win over hosts France on Sunday.
Roger Federer eased his way into the ATP World Tour Finals with a 6-1, 7-6 (0) defeat of Canadian newcomer Milos Raonic in his opening round-robin match on Sunday.
'I am not too disappointed. I feel like he had to come up with the goods, and it did feel like to some extent it was on my racquet, I just came up against somebody who was, on the day, a bit better when it really mattered'
Roger Federer is looking forward to facing his great rival for the French Open crown a year after Rafael Nadal missed their rendezvous in the final. With usual contenders Nikolay Davydenko of Russia and Argentine Juan Martin Del Potro having pulled out injured, the road looks clearer for another Roger versus Rafa classic.
The 36-year-old was all over the world number 58 throughout a one-sided contest under the Rod Laver Arena roof, breaking three times to win the opening set in 33 minutes.
Roger Federer has secured his place in the ATP Finals for a record 15th time after the Swiss world number three won a record eighth Wimbledon title on Sunday, the Association of Tennis Professionals confirmed on Monday.
Novak Djokovic admitted reality was beginning to bite after the Serb was unable to bridge a 15-year age gap in a Wimbledon semi-final drubbing against Italian Jannik Sinner on Friday.
Federer will attempt to win a singles gold medal at the July 24-Aug 9 Games, the only major prize that the 20-time Grand Slam winner has yet to win.
Roger Federer celebrated returning to the top of the world rankings by defeating Milos Raonic in the final of the Stuttgart Open on Sunday and lifting the 98th tour-level title of his garlanded career.
Eyeing a sixth Grand Slam title, the Spaniard was eventually too strong for the metronomically consistent Fritz, whose biggest weapons were still not damaging enough to unsettle the second seed under a fiery sun on Centre Court.
Federer looked more relieved than overjoyed when Tiafoe's forehand found the net on match point to keep his hopes of a 20th grand slam title alive.
Roger Federer avenged his loss to Jo-Wilfried Tsonga at Wimbledon this year when he beat the Frenchman 6-4, 6-3, 6-3 on Thursday to reach the semi-finals of the US Open and give himself a chance of a sixth title at Flushing Meadows.