In his darkest moments last year when he doubted if he would ever get back to full fitness following his knee injury, Roger Federer clung on to one thought -- he still had the game to maybe sneak another Grand Slam title.
Croatian Marin Cilic prepares to try to stop the Swiss claiming a sixth Australian Open title on Sunday.
Serbia's Novak Djokovic is the top seed in the men's draw which includes five-times US Open champion and 17-times Grand Slam winner Roger Federer as seventh seed - his first time the Swiss has been placed outside the top three in a Grand Slam in over ten years.
"I don't know what can happen in the future or not. But yeah, 11 here already is something really unbelievable. I always say the same. It looks, for the most of you, and even for me, looks so difficult to increase that number for anyone in the future. But if I did it, and I consider myself a normal person, probably someone else is gonna do it."
Defending Olympic champion Andy Murray reached the semi-finals of the men's tennis on Friday after winning a third-set tiebreak to scrape through a testing encounter against American Steve Johnson.
Roger Federer began his latest quest for a 100th ATP title with a battling 6-4, 3-6, 6-1 win over Philipp Kohlschreiber in the first round of the Dubai Duty Free Tennis Championships on Monday.
IMAGES from matches on Day 8 at the French Open
Only one player has beaten Rafael Nadal on his beloved claycourts this year and that man, Austria's Dominic Thiem, blocks the Spaniard's path to the French Open final.
The latest tennis rankings have been announced by the ATP and WTA
Images from the matches played on Day 7 at the Roland Garros on Saturday
Images from the third day at the US Open, the final Grand Slam tournament of the year, in New York, on Wednesday:
Rafael Nadal's announcement on Friday that he will miss the ATP World Tour Finals because of appendicitis ended a difficult year for the Spaniard during which he has endured injury, illness and worrying defeats.
As the players warm up before the tournament, meet the players who could well be contenders for the 2017 Australian Open titles.
With three of the four Grand Slam titles and a record six Masters Series crowns scooped up in a year of domination, Novak Djokovic could be forgiven for using the ATP Tour Finals in London as a well-earned lap of honour.
Twice Shanghai Masters champion Roger Federer was far from his best against Spain's Roberto Bautista Agut but did enough to reach the quarter-finals with a 6-3, 2-6, 6-4 win on Thursday.
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.
Serena Williams must navigate a heavily American quarter of the draw including sister Venus to complete a calendar sweep of the four Grand Slams, while two sensational quarter-finals loom on the men's side after Thursday's U.S. Open draw.
Only one of world tennis' Big Four -- Roger Federer, Novak Djokovic, Andy Murray and Rafael Nadal -- will feature in the upcoming season of the Indian Premier Tennis League, which has shifted base to Hyderabad.
Nadal, who got a first-round bye, defeated Richard Gasquet 6-3, 6-4 to advance.
Ramkumar Ramanathan, who will be playing singles alongside Prajnesh Gunneswaran, will form the second men's doubles pairing with Sumit Nagal, who arrived only late on Friday night.
Novak Djokovic and Serena Williams are top seeds at the major starting Monday
Roger Federer became the latest big name to get sucked up by a whirlwind called Nick Kyrgios as the Australian tyro sent the Swiss top seed spinning out of the Madrid Masters in the second round on Wednesday.
Olympic champion Andy Murray restored some order at the Western & Southern Open by cutting down South African giant Kevin Anderson to reach the quarter-finals on an upset-filled Thursday in Cincinnati.
For someone who is the defending champion at Melbourne Park, Stanislas Wawrinka is remarkably upbeat about the lack of focus falling upon him.
Defending champion Novak Djokovic moved confidently into the second round of Wimbledon with a 6-4, 6-4, 6-4 win over German Philipp Kohlschreiber on Monday.
World number one Novak Djokovic fended off a resurgent Rafael Nadal 7-5, 7-6 (4) in a pulsating battle on Friday to reach the semi-finals of the Italian Open.
Serena Williams edged past Spain's Garbine Muguruza 2-6, 6-3, 6-2 to reach the quarters.
I physically feel very fit. I'm very motivated to keep on playing on a very high level, says Novak Djokovic.
Serena faces hard-hitting Giorgi in first round while former World No Hewitt play his final grand slam
Reigning champions Novak Djokovic and Serena Williams have been named top seeds for the Australian Open starting on Monday.
A long season took its toll on Roger Federer on Thursday as the Swiss was knocked out of the Paris Masters following a 7-6(3) 3-6 7-6(5) third-round defeat by big serving John Isner.
Novak Djokovic sauntered past Spaniard Feliciano Lopez to reach the quarter-finals of the Shanghai Masters on Thursday but Andy Murray had to claw past big-serving American John Isner after losing a first-set tiebreaker.
World No 2 Rafael Nadal brushed aside American Jared Donaldson 6-1, 6-1 and will next face Diego Schwartzman after the Argentine beat Roberto Carballes 6-3, 6-1.
Argentine Juan Martin Del Potro served notice of his strong form ahead of the Australian Open when he crushed defending champion Bernard Tomic 6-3, 6-1 in the final of the Sydney International on Saturday.
Rafael Nadal to play for Spain in new Davis Cup Finals while World No 1 Novak Djokovic and Roger Federer, have already said they would support the ATP Cup -- seen as a rival team event to the Davis Cup -- when it begins in Australia just a few weeks after the ITF's flagship event.
Here are some of the best moments from the 2019 Australian Open.
A look at the records of Spain's Rafael Nadal and Serbia's Novak Djokovic before their title clash at the Australian Open on Sunday (prefix number denotes seeding):
A ruthless Sorana Cirstea took full advantage of Karolina Pliskova's patchy form at the China Open on Thursday, reaching the quarter-finals as she consigned the recently dethroned world number one to a 6-1, 7-5 defeat.
With the American men experiencing their longest US Open title drought in the Open era, Venus Williams led the American charge into round two on Monday with a 6-3, 3-6, 6-2 win over Viktoria Kuzmova of Slovakia.
US Open, the final Grand Slam of the season, starts Monday, August 28, at Flushing Meadows in New York.