Stanislas Wawrinka started the run at last year's US Open, followed by a 35-year-old Federer at Melbourne Park and Rafael Nadal in Paris.
Raducanu stormed into the third round of the Cincinnati Open
The British number one will play Croatian Donna Vekic, 7-6(5), 3-6, 7-6(4) victor over Czech Lucie Safarova in the day's second semi-final, in the climax to the Wimbledon warm-up tournament on Sunday.
The extended lockdown of tennis will help Andy Murray's return from injury but it will be "a big ask" for him to add to his three Grand Slam titles, according to former British number one Greg Rusedski. Murray underwent hip re-surfacing surgery at the start of 2019 and resumed playing doubles in June before returning to singles action in August.
Serbian Djokovic, 31, needed elbow surgery in February to cure a problem that surfaced in 2017, but after some jarring defeats he returned to the kind of domination he achieved in 2015, winning Wimbledon and the US Open.
ATP says 'no evidence' against Harrison's racist remarks
With the year sprinting to a close, we bring you, in pictures, some of the best action from the sports world.
Wimbledon organisers will announce the cancellation of the grasscourt Grand Slam this week due to the coronavirus pandemic, German Tennis Federation (DTB) vice-president Dirk Hordorff told Sky Sports. All England Lawn Tennis Club (AELTC) officials earlier said the June 29-July 12 event would not be played behind closed doors and postponement was not without significant risk and difficulty.
Canadian teenager Denis Shapovalov believes his first season on the ATP Tour has helped him grow into a better player and he is relishing the challenges ahead.
Former world number one Andy Murray said on Wednesday tennis will be one of the last sports to return to action after the world has recovered from the pandemic and Jabeur expects the Tours to restart in September.
Novak Djokovic maintained his unbeaten record against Frenchman Gael Monfils with a 6-3, 6-2 win in the semi-finals of the Rogers Cup in Toronto on Saturday, while Japan's Kei Nishikori also reached the final after beating Swiss second seed Stan Wawrinka.
On Sunday the Ukrainian Tennis Federation urged the sport's governing body the International Tennis Federation (ITF) to immediately expel Russia and Belarus from the organisation and ban Russia from team and individual tournaments. Also, athletes from Ukraine and other nations have called on the International Olympic Committee (IOC) to suspend Russia and Belarus and ban their athletes from events immediately.
Former world tennis number one Andy Murray said he can finally play without worrying about his hip following career-saving surgery in January, but expects next year's Australian Open to be the biggest test of his progress.
India's best player Yuki Bhambri is back in the squad and that changes the dynamics for the three-day rubber.
Kyrgios earned a suspended six-month ban in September for those transgressions but it only applies to the ATP Tour and not the Davis Cup.
The seven-time major champion, speaking as part of a tour to promote his new book 'But Seriously', said that while he has great respect for Serena, he would place the 23-time Grand Slam winner "like 700 in the world" on the men's circuit.
International Ski Federation (FIS) president Gian-Franco Kasper has warned FIFA against holding the 2022 World Cup in Qatar at the same time as the Winter Olympic Games.
'I hope that as an association we make the best decision for our business, for our health, for the tournaments, for public.'
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.
India's Davis Cup tie against Finland was on Friday postponed to 2021 as the International Tennis Federation pushed back all the matches, including the Finals, to next year owing to COVID-19 pandemic. India were scheduled to travel to Finland for the World Group I tie in September.
According to the latest rankings issued on Monday, the left-handed Sharan is ranked 50th after gaining a place. He had reached the final of the last three tournaments he participated in, winning the ATP 250 European Open, while ending runner-up at Challenger events in Brest and Tashkent with different partners.
'Is he serious? It's a selfish political move to gain popularity.'
The centre-back was at the Madrid Open earlier this week, reportedly to discuss a 16-team knockout tournament with ATP Tour chief Chris Kermode. It would potentially replace the former World Team Cup event on the ATP calendar that was played from 1975 to 2012 ahead of Roland Garros.
A summary of sports events and sports persons, who made news on Sunday
India's top singles tennis player Somdev Devvarman has been handed a direct entry in the main draw of the ATP Chennai Open tennis tournament after Estonia's Jurgen Zopp pulled out of the event due to a back injury.
While taking questions about his first round victory, the World No 2 spotted a journalist snoozing away in the corner of the room.
While tennis is a lucrative sport for those at the top -- the 2020 Australian Open singles champions each took home A$4.12 million ($2.52 million) -- those in the lower echelons often struggle to make ends meet.
Spaniard David Ferrer's late push for a place in the ATP tour finals got off to a laboured start with a 6-7, 6-3, 6-3 win over compatriot Guillermo Garcia-Lopez at the Valencia Open on Tuesday.
Raducanu falls in first match since US Open triumph.
All 112 matches of the 'NZ Premier League' will be played in Auckland without spectators but broadcast live on Sky Sport or the Youtube channel, Sky Sport Next, Tennis New Zealand said on Monday.
Madison Keys swept past Wimbledon champion Elena Rybakina 6-2, 6-4 at the Cincinnati Open on Friday, setting up a semi-final clash with Petra Kvitova after the Czech defeated Ajla Tomljanovic.
American tennis player Taylor Fritz and his doubles partner, Tik Tok personality Addison Rae, won the virtual Stay At Home Slam on Sunday as real-life tennis remains on hold because of the coronavirus crisis. The likes of the Williams sisters, Japanese stars Naomi Osaka and Kei Nishikori and the recently retired Maria Sharapova competed as their favourite characters from the world of Nintendo to raise money for charity.
Serena Williams' coach Patrick Mouratoglou has called on tennis governing bodies to come together and devise a way of helping lower level professionals struggling financially due to the coronavirus shutdown. The tennis season was halted in early March due to the pandemic, leaving players in the lower tiers who solely depend on tournament winnings without the opportunity to earn a living.
Men's tennis steps into the unknown next week when the young guns expected to follow in the footsteps of the current golden generation contest the inaugural Next Gen ATP Finals in Milan.
The Sports Ministry dropped para-sports coach Satyanarayana from the list of this year's Dronacharya awardees due to a criminal case pending against him, but made no changes to the names recommended for the Khel Ratna and Arjuna awards.
World number one Novak Djokovic blasted past qualifier Alexei Popyrin 6-4, 6-2 to reach the second round of the Japan Open Tennis Championships in Tokyo.
Palermo will mark the first professional tennis event across the WTA and men's ATP Tours since early March with action scheduled to get underway on the clay courts of the Sicilian capital from August 3.
Novak Djokovic bolstered his hopes of holding on to his World No 1 status until the end of the season with a 6-2, 6-3 defeat of big-serving Canadian Milos Raonic to retain the Paris Masters title on Sunday.
Australia's tennis badboy Nick Kyrgios was on Monday handed a suspended ban and fine by the ATP for his lurid verbal attack on Stan Wawrinka at the Rogers Cup in Montreal.
Already a sporting icon, Osaka's fight for equality has focussed even more attention on her