Big-serving Canadian Milos Raonic fired 19 aces to topple Sam Querrey 6-4, 6-4 and set up a second-round clash with either Dan Evans or Russian 10th seed Andrey Rublev.
Having Lendl, as I said, can only serve him as an incentive for an improvement, says Djokovic
The Wimbledon Championship runner-up is expected to be a top draw at the ATP 250 event to be played at the Mhalunge Balewadi Stadium in Pune.
Medvedev became only the fourth player in ATP history to beat the world's top three at the same tournament.
Coric was quick out of the blocks at the Qi Zhong Stadium as he broke in the opening game against the top seed and only lost five points on serve to clinch the first set in 34 minutes.
Not that cash will be the motivator for world number one Novak Djokovic, Rafa Nadal, Dominic Thiem, Tsitsipas, Daniil Medvedev, Alexander Zverev and debutants Andrey Rublev and Diego Schwartzman when the tournament's 50th edition starts on Sunday.
World number one Novak Djokovic produced a majestic display in a 7-5, 6-3 victory over American John Isner on Thursday to extend his winning streak in Asia.
Fourth seed Grigor Dimitrov survived a scare against Pierre-Hugues Herbert before holding his nerve to win 3-6, 6-2, 6-4 in the second round of the Monte Carlo Masters on Tuesday, while Dominic Thiem edged out Russian youngster Andrey Rublev.
Djokovic is the first man to reach 10 successive quarter-finals at the French Open
Images from Day 4 of the 2021 US Open in New York on Thursday.
Australia's Alexei Popyrin was the last man standing, losing 7-6 (3), 6-3, 6-7 (10), 4-6, 6-3 to France's Lucas Pouille in their third round match.
The new crop of young players are poised for a Grand Slam breakthrough and New York's bright lights could provide the inspiration that finally gets one of them over the top, five-times US Open champion Roger Federer said on Friday.
The final of the Croatia event in the coastal resort of Zadar, the second leg of the tour which would have featured world number one Novak Djokovic and Russian Andrey Rublev, was cancelled as a result.
World No 2 Andy Murray overwhelmed Italy's Andreas Seppi 6-2, 7-5 and second seed Rafael Nadal crushed veteran Italian Paolo Lorenzi 6-1, 6-1 to reach the China Open second round on Tuesday.
Novak Djokovic is chasing a record-extending eighth Australian Open title, while Dominic Thiem will bid to become the first man born in the 1990s to win a major title.
The cool days of late September, with damp courts expected, will level the playing field and for the first time, other than when Rafael Nadal has been injured, he looks vulnerable on his beloved clay.
Images from Day 4 of the Wimbledon tennis championships played in London, on Wednesday.
Three-times Roland Garros champion Mats Wilander reflects on Day 3 of the French Open for Reuters.
Djokovic had named Agassi as his new coach on Sunday, following his defeat to Alexander Zverev in the Italian Open final.
Third seed Stanislas Wawrinka became the latest high-profile casualty at the Italian Open on Thursday when the Swiss was knocked out in the third round by American John Isner.
Images from Day 9 at the French Open.
'The governing bodies, especially Grand Slams, need to allocate enough funds to support lower-ranked players, low-level tournaments, futures, challengers and I believe there is enough funds for those too.'
Organisers played a wrong national anthem for Moldova ahead of their tie against Belgium in Sydney. Denis Shapovalov won the battle of the next generation against Greek Stefanos Tsitsipas to help Canada to an emphatic 3-0 victory in the inaugural ATP Cup men's team event in Brisbane on Friday.
World number one Novak Djokovic extended his winning run in Asia when he strolled into the last-16 of the Shanghai Masters.
From Rafael Nadal's shock exit in the first round to Novak Djokovic's clinical run. We bring you the highs and lows as the Australian Open moves into its business end.
World No 4 Del Potro is still sidelined with a right knee injury sustained in Shanghai last month.
The 31-year-old becomes world number one for a sixth time ahead of the French Open.
Dominic Thiem and Stefanos Tsitsipas won their respective singles matches before Roger Federer and Alexander Zverev teamed up in the doubles to beat Jack Sock and Denis Shapovalov
Currently the men's and women's Tours operate independently, although there are a handful of events featuring male and female draws, one of which is the Madrid Open that will be played as a 'virtual tournament' next week. Mat Wilander says the break will be much tougher for the younger players such as Stefanos Tsitsipas and Alexander Zverev than the likes of world number one Novak Djokovic, Federer and Nadal.
Djokovic has not reached the last eight of a tournament since last year's Wimbledon and has struggled with a long-term elbow injury.
IMAGES from matches played at the Miami Masters in Key Biscayne, Florida
A summary of sports events and sports persons, who made news on Tuesday
Rafael Nadal had just beaten rising Greek force Stefanos Tsitsipas in a classic scrap at the ATP Finals but had no idea whether it was good enough to keep him in the tournament.
Images from Day 6 of Wimbledon at the All England Lawn Tennis and Croquet Club in London, on Saturday.
Before the tournament, top seed Djokovic declared the three should be favourites to win the Slams, and Federer agreed when asked after his Evans match.
Images from Day 3 of the French Open matches played at Roland Garros in Paris on Tuesday
World number five Alexander Zverev continued his poor recent form as he crashed out of the Italian Open in the second round while Serena Williams had to pull out of the women's draw with a recurring knee injury.
Greek third seed Stefanos Tsitsipas battled back from a set down to beat Serbia's Filip Krajinovic 3-6, 6-4, 6-4 in the quarter-finals of the Swiss Indoor championship on Friday. The win took Tsitsipas into his 10th semi-final of the season where he will face top seed Roger Federer, who was handed a walkover after Swiss compatriot Stan Wawrinka withdrew before their quarter-final with a back issue.
IMAGES from the Miami Masters played in Key Biscayne, Florida on Tuesday
Spain's Rafael Nadal was at his dominant best against Pablo Carreno Busta on Saturday, brushing aside his compatriot 6-1, 6-2, 6-4 to move into the fourth round at the Australian Open. Images from Day 6 of the Australian Open at Melbourne Park on Saturday.