A semi-final win is worth $620,000 while the champion, if beaten en route to the title, will earn $1.2 million.
No man aside from Federer, Djokovic, Nadal and Andy Murray-and do not be surprised if he also bounces back from surgery with renewed vigour next season as well-have held the No1 ranking for nearly 15 years.
So retirement is not part of the picture just yet: Federer still has fish to fry.
Young rising players Alex de Minaur and Stefanos Tsitsipas also earned recognition for their breakout seasons. The favourite role he has but Djokovic, against whom he lost last in Paris in a thrilling semi-final.
This year Federer added one more Grand Slam title to his name in Melbourne.
"But there was always part of me that believed I could make it back and I never thought it was impossible", he said.
Maybe Wimbledon and the US Open didn't go the way I was hoping, but they were perhaps the only disappointments this season. I remember when it was in Houston and Shanghai for many years - it wasn't so simple. I think if I won here it's more about winning the World Tour Finals and not about winning my 100th. "I'm going to be No.1 tomorrow officially". "It just shows you how good Connors was for so long and how much of a great competitor he was", said Darren Cahill, the ESPN analyst who coached the former men's No. 1 Andre Agassi and now coaches the women's No. 1, Simona Halep. No.6 South African Kevin Anderson, enjoying the best phase of his career at age 32, makes his debut in the tournament and remains its most unsafe floater, while the presence of No.10 John Isner, Nadal's replacement, will increase the chances of at least one marathon match next week.
Premier League superstar signs a five-year deal amid Real Madrid links
Sterling has committed his future to City with the new three-and-a-half year contract extension worth around £275,000-a-week. Raheem has improved dramatically in the past two seasons and is now one of the Premier League's best attacking players.
Mazda teases its all-new 3 ahead of Los Angeles debut
In the end, the premium European automakers are trying their best to make their diesel engines silenced. A fresh teaser image proves that a Mazda 3 Fastback will be unveiled alongside the new hatchback.
Billboard Names Ariana Grande Woman of The Year 2018
It's been a rough few weeks for Ariana , but Billboard is recognising the incredible artist for her smashing year on the charts. Thank u, Next , sees Grande referencing getting married and having a wedding, as well as alluding to her former partners.
Federer, who plays Japan's Kei Nishikori in his tournament opener at London's O2 arena on Sunday, said overall he is happy with his season. "I won a bunch of tournaments again, played great at the Australian Open".
The continued dominance of the Big Three tells a layered story about men's tennis.
He is joined by Nishikori, Austria's Dominic Thiem and South Africa's Kevin Anderson.
World No.10 Isner is set to face Djokovic, Alexander Zverev and Marin Cilic in his pool and says it's a huge opportunity. When I do that, I know I can beat anybody. "They know that if they miss a target with a serve by 4 inches, they in all likelihood will be in a defensive position in one or two shots".
He has returned sensationally in 2018, winning both the Wimbledon and US Open Grand Slam titles.
The final tournament of the 2018 season kicks off Sunday: it's the Nitto ATP Finals, the year-end championship with just an eight-man field.