Coric's positive test follows that of Grigor Dimitrov, who said on Sunday he had contracted the novel coronavirus.
Novak Djokovic reached the Paris Masters final for the sixth time
After some patchy form in the opening rounds Dimitrov hit top form to beat home hope Nick Kyrgios in the last 16, fuelling hopes of a first grand slam final appearance.
Novak Djokovic and Nick Kyrgios enthralled fans on their debut as a doubles team on Monday
Three-times Grand Slam champion Stan Wawrinka returned to the big stage in style on Monday, ousting sixth seed Grigor Dimitrov 1-6, 7-6(3), 7-6(5), 6-4 on Centre Court at Wimbledon.
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.
Reaching the semi-finals at the 2014 Wimbledon and the 2017 Australian Open remain his best returns in Grand Slams.
Grigor Dimitrov claimed the biggest title of his career and sent out a huge statement of intent as the stylish Bulgarian beat David Goffin 7-5, 4-6, 6-3 to win the ATP Finals.
Edmund, playing in his first Grand Glam quarter-final, showed no nerves as he blazed away with his fearsome forehand to subdue a nervy Dimitrov.
Bulgarian Grigor Dimitrov smashed three rackets on his way to losing the Istanbul Open final to Argentine Diego Schwartzman on Sunday.
Carlos Alcaraz failed to reach the Paris Masters quarter-finals after a thrilling 6-1, 3-6, 7-5 defeat to local favourite Ugo Humbert
World No 30 has Monfils stepped in to replace injured Fabien Reboul
"We experienced wonderful moments together. I wish her much happiness and success in life and in tennis.
Bulgarian Grigor Dimitrov kept cool in the Rod Laver Arena maelstrom to knock home favourite Nick Kyrgios out of the Australian Open in a fourth-round thriller on Sunday.
Top seed Rafa Nadal, who has won the tournament 10 times, also reached the last eight after dispatching compatriot Guillermo Garcia-Lopez 6-1, 6-3 and claiming a record-extending 40th consecutive set on clay.
"After much thought I have decided to end my working relationship with Roger," the 24-year-old tweeted.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
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.
Grigor Dimitrov stood one win away from the biggest title of his career on Saturday after ending his Jack Sock jinx to reach the final of the season-ending ATP Finals at the 02 Arena.
Wimbledon semi-finalist Grigor Dimitrov has been named Bulgaria's Athlete of the Year in a nationwide poll conducted by sports journalists while French Open runner-up Simona Halep won the award in neigbouring Romania.
'Baby Fed' steals hearts with the same ease that he wins matches.
Last week the men's ATP and the WTA, which runs women's events, issued revised calendars for the resumption of the circuit from August while organisers of the US Open said the Grand Slam will be staged without fans as scheduled from August 31 to September 13 in New York.
IMAGES from the French Open quarter-finals played in Paris on Tuesday.
World No 2 Tennis star, Maria Sharapova, has confirmed that she is dating the highly-rated Bulgarian fellow player Grigor Dimitrov.
Grigor Dimitrov dismantled 11th seed David Goffin 6-3, 6-2, 6-4 in their Australian Open quarter-final on Wednesday to advance to his second grand slam semi-final.
The 6-2, 2-6, 6-3 win at the Pat Rafter arena was the 25-year-old's first in four attempts against world number five Nishikori and will boost his confidence ahead of the Australian Open, which starts on January 16 in Melbourne.
Grigor Dimitrov was playing his first Wimbledon semi-final, but the television cameras were more interested in his girlfriend, Maria Sharapova.
The opening match in the Pete Sampras Group produced a feast of stylish backhands from both players but it was Dimitrov, the first Bulgarian to qualify for the tournament in its 48-year-old history, who overcome some late jitters to prevail.
The 26-year-old has not always handled the expectations placed on his shoulders after he won the Wimbledon junior title in 2008 with a game style uncannily like Federer's.
Serena Williams creates ripples with her latest outfit.
IMAGES from Day 7 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Sunday.
Images from Sunday's action at the Australian Open.
Spanish fourth seed Garbine Muguruza fine-tuned her preparations for this month's U.S. Open by crushing Simona Halep 6-1, 6-0 in the Cincinnati Open final on Sunday.
Djokovic's sixth trophy this season helped him to extend his lead over the second-ranked Carlos Alcaraz in the race to the year-end number one spot
Dimitrov has enjoyed the best season of his career in 2017, clinching four titles overall, including his first Masters title in Cincinnati.
Former Wimbledon champion Lleyton Hewitt gave Bulgarian Grigor Dimitrov a grasscourt masterclass in a second-round victory at the Aegon Championships at Queen's Club on Wednesday.
Andy Murray has set up a mouth-watering clash with Grigor Dimitrov and a chance to avenge his defeat at Wimbledon after hammering Portugal's Joao Sousa 6-1, 6-1, 7-5 to reach the fourth round of the Australian Open in Melbourne, on Friday.
While her career has featured a number of highs -- she has won two doubles Grand Slam titles and 11 WTA titles, including the Cincinnati Masters -- Garcia said she has become fixated on what she sees as her failures.
Andy Murray outgunned Bulgaria's Grigor Dimitrov 6-4, 7-6(2) in the final of the China Open on Sunday to claim his 40th career title.
'I'm happy to be part of this Italian movement. People, they start to play tennis now more and more, which is great to see. I think that's the most important.'