Aryna Sabalenka expressed more concern over the vaccine than her quarterfinal opponent No 1 Ash Barty
Other nominees for the prize are Angelique Kerber (Germany), Petra Kvitova (Czech Republic and Caroline Wozniacki (Denmark).
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.
Images from Day 9 of the 2021 US Open in New York on Wednesday.
Ons Jabeur stands on the verge of history with a maiden Grand Slam title at Wimbledon within her grasp but in Czech surprise package Marketa Vondrousova she faces a final opponent who could tear up the script and prolong her wait.
Carlos Alcaraz swatted aside Serbian Dusan Lajovic as Canadian Bianca Andreescu cruised past American Sofia Kenin in straight sets at Miami Open.
Coco Gauff rallied from a break down in the final set to beat Swede Rebecca Peterson and reach the Indian Wells quarter-finals for the first time
Barty had some trouble in the first set against the two-time Australian Open champion and saved three break points at 5-5 to go on to win 7-6(2), 6-3 and level the tie at 1-1.
The victory secured a first Grand Slam doubles championship for Laura Siegemund and a third for Vera Zvonareva
Sumit Nagal immediately set his sights on Thiem who has reached two French Open finals, losing both to Nadal.
IMAGES from Day 3 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Wednesday.
Stefanos Tsitsipas enjoyed an incident-free path into the third round of the French Open with a win over Roberto Carballes Baena.
Alcaraz was impressive in his first Grand Slam match since his US Open triumph last year
Images from Day 2 of the 2023 Australian Open at Melbourne Park on Tuesday.
Victoria Azarenka's career has been a rollercoaster ride since she since she returned to the tour in 2017 after taking time off to have her son, Leo. After three years away from the WTA Tour following the birth of her son Alexander, Tsvetana Pironkova, playing in her first event since 2017, claimed a shock upset at the US Open.
Novak Djokovic overcame a battling Marin Cilic 6-4, 3-6, 6-3 to reach his sixth Cincinnati Masters final on Saturday while Roger Federer enjoyed a less-taxing route to the title match after his semi-final opponent David Goffin retired with a shoulder injury.
Images from Tuesday, Day 8 of the 2021 Wimbledon Championships, in London.
Images from Day 8 of the 2022 Australian Open at Melbourne Park on Monday.
Big names and young guns turn up the heat at US Open
A summary of Monday's action at the US Open.
This year's Australian Open will be allowed to admit up to 30,000 fans a day, around 50% of usual capacity, amid the COVID-19 pandemic.
Former Wimbledon runner-up Eugenie Bouchard successfully negotiated the qualifying draw on Thursday, beating Colombian Mariana Duque-Marino 6-3, 6-2 to secure a spot in next week's main draw.
The first stop on Serena Williams' farewell tour came to a quick end as she fell to Belinda Bencic in second-round action at the Canadian Open on Wednesday a day after announcing her forthcoming retirement from tennis.
Images from Day 6 of the 2022 Australian Open at Melbourne Park on Saturday.
Wimbledon will allow Russian and Belarusian players to compete at the grasscourt Grand Slam as 'neutrals' this year.
Homeland favorite Ashleigh Barty and Serbia's Novak Djokovic are the top seeds for the upcoming Australian Open.
AELTC took the decision in the wake of Russia's invasion of Ukraine
Canada's Bianca Andreescu upset Greek seventh seed Maria Sakkari to reach the last 32, while Japan's Taro Daniel crushed world number 15 Alexander Zverev.
IMAGES from the Women's Singles Final of the French Open at Roland Garros in Paris on Saturday.
US Open champion Naomi Osaka fought back tears and rallied from a set down to outlast Zhang Shuai 3-6, 6-4, 7-5 in the China Open quarter-finals on Friday.
Opportunity knocks for Serena Williams on the grass courts of Wimbledon next week when she faces a diminished field on her best surface at the famous All England Club.
World No 12 Petra Kvitova returned to court dressed for the French Open but was happy to triumph in the women's draw at an all-Czech tournament on Thursday as the sports world starts to slowly return from the novel coronavirus shutdown. The Prague tournament - played among the top Czech men's and women's players but without fans and with ball boys and girls wearing gloves and face masks - was one of the first after professional tennis was suspended in early March as the world went into lockdown to contain the spread of the virus.
Two-time Wimbledon champion Petra Kvitova is happy to finally play tennis again for fans around the world - even if they can only watch on television. The world number 12 will headline an all-Czech tournament in Prague starting Tuesday without spectators, handshakes or the usual towel service.
IMAGES from Day 7 of the French Open, at Roland Garros, on Saturday.
Venus Williams, Coco Gauff pair up to play doubles at French Open.
Fritz delivers as US win inaugural United Cup crown
Sixth seed Elise Mertens fell to Kaia Kanepi 0-6, 6-0, 7-5 and seventh seed Julia Goerges lost to American Taylor Townsend 6-4, 7-6(0).
British qualifier Emma Raducanu beat Canada's Leylah Fernandez 6-4 6-3 in a battle of two unseeded teenagers to win the U.S. Open women's title on Saturday.
A round-up of all the tennis action from around the globe.
Images from Day 7 of the 2021 Wimbledon at the All England Lawn Tennis and Croquet Club, in London, on Monday.