Murray, who is attempting to return to the top of the tennis world after undergoing hip surgery in January, was out of sorts in the first set of the rain-delayed match, losing three service games behind some uncharacteristically soft second serves.
Other nominees for the prize are Angelique Kerber (Germany), Petra Kvitova (Czech Republic and Caroline Wozniacki (Denmark).
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.
Coric's positive test follows that of Grigor Dimitrov, who said on Sunday he had contracted the novel coronavirus.
IMAGES from Day 10 of the Australian Open in Melbourne on Tuesday.
There was no stopping the 'Indo-Pak Express' as Rohan Bopanna and Aisam-ul-Haq Qureshi inched closer to their maiden Grand Slam title together by advancing to the US Open finals.
Fewer than half of Americans plan to go to sports events, concerts, movies and amusement parks when they reopen to the public until there is a proven coronavirus vaccine. That includes those who have attended such events in the past, an ominous sign for the sports and entertainment industries hoping to return to the spotlight after being shut down by the pandemic.
World No 55 Haase improved to a 2-2 career record against Zverev, including victories in their last two meetings.
A summary of sports events and persons who made news on Wednesday.'
Ons Jabeur gained revenge for her defeat in last year's final when she surged back to beat third-seeded defending champion Kazakh Elena Rybakina.
Italian Roberta Vinci crushed the world number one's hope of completing a calendar grand slam by reaching the women's singles US Open final for the first time in her career.
World number 30 Berrettini saved five points in the marathon second set tiebreak and held on to win it 13-11 for his third ATP crown in last 11 months.
Andy Murray and Serena Williams entered the third round of the mixed doubles at Wimbledon, defeating 14th seeds Fabrice Martin and Raquel Atawo 7-5, 6-3 on centre-court, on Tuesday.
Americans Bob and Mike Bryan beat Ivan Dodig and Marcelo Melo 3-6, 6-3, 6-4, 6-4 to win the Wimbledon men's doubles title on Saturday and become the first pair to hold all four grand slam titles at the same time since tennis went professional.
The match ended in 52 minutes as Williams played her forehand into the net.
Djokovic backs schedule change at expanded Australian Open
American Serena Williams was third time lucky as she finally equalled Steffi Graf's long-standing record of 22 Grand Slam wins after defeating Germany's Angelique Kerber 7-5, 6-3 in the Wimbledon final on Saturday.
Defending champion Donna Vekic, of Croatia, earned a hard-fought win over British wild card Gabriella Taylor 7-5, 5-7, 7-6(3).
Kyrgios has last laugh as Djokovic clash sells out stadium in minutes
Sania Mirza ended her career with first round defeat at WTA Dubai event.
Big-serving Isner reaches Montreal second round
India's Leander Paes and his German partner Alexander Zverev went down to the Spanish duo of Feliciano Lopez and Marc Lopez in a men's doubles first round match to bow out of the Cincinnati Open.
Czech-born Navratilova, who became a US citizen in 1981, was also diagnosed and beat breast cancer back in 2010.
Serena did not rule out taking a page from seven-time Super Bowl winner Brady's playbook.
The hard court, outdoor competition in Lexington, Kentucky, marked the WTA's first tournament in the United States since the coronavirus outbreak forced almost all sport into a long break earlier this year.
No 'triple bagel' but Djokovic thumps Mannarino to reach quarters
Johnson to meet Medvedev in Winston-Salem final
The French Open champion was given a lesson in hard-court tennis by Blake, who equalled his best performance at a grand slam event.
It was billed as the battle of the 20-year-olds but Carlos Alcaraz pulled rank on his childhood buddy Holger Rune to enter the Wimbledon semifinals.
Images from the US Open women's semi-finals on Thursday.
IMAGES from all the action on Day 7 of the US Open played at the USTA Billie Jean King Tennis Center at Flushing Meadows in New York on Sunday.
Reactions to Novak Djokovic winning his 20th Grand Slam singles title at Wimbledon
American teenager Amanda Anisimova, fresh off an impressive run at Indian Wells, beat China's Wang Qiang 6-3, 1-6, 6-2 at the Miami Open on Tuesday to set up a second round clash with Spanish third seed Garbine Muguruza.
IMAGES from Day 5 of the US Open, at the USTA Billie Jean King National Tennis Center, Flushing Meadows, New York, on Friday.
Zverev defeated Anderson 6-4, 6-4 and captured his fourth title of the year in the finals played on Sunday.
Australia's Alex de Minaur fought back from a set down to beat former world number one Andy Murray
Earlier on Wednesday, Czech Karolina Pliskova was forced to withdraw from the tournament due to a viral illness.
Mirza and Hradecka produced some high quality tennis but lost 4-6, 3-6
The former world number one plans to play more of a full schedule next year and will work to improve on her serve, which she said let her down particularly in the first and third sets.
Maria Sharapova's US Open preparations took a major blow with the Russian World No 2 forced to withdraw from next week's WTA event in Toronto.
