Andy Murray opens up the Arthur Ashe Stadium Court on the third day of the US Open in a time slot set to test the former No 1’s conditioning.
They say only mad dogs and Englishmen go out in the midday sun, but the three-time Grand Slam-winning Scot has little choice but to brave the heat and the efforts of a brash young American challenger in Emilio Nava.
Murray has suffered with a cramping issue during the North American swing, and with temperatures expected to push the 30 degrees, celsius mark his Grand Slam fitness will be tested.
Nava disposed of Aussie journeyman John Millman in the first round while Murray ousted the 24th seed.
Follow the US Open with live men’s singles scores
The match is scheduled to start at 17:00 BST (12:00 local time), and precedes the Centre Court bow of a home favourite in Coco Gauff who takes on Elena Gabriela Ruse in a women’s singles second round match.
In the evening session on Centre Court, Serena Williams’ farewell party takes the stage as she takes on World No 2 Anett Kontaveit in a match that is likely to stretch the Grand Slam icon and while she will have the backing of the crowd.
World No 1 and top seed Daniil Medvedev continues his title defence in the last match on Centre Court on day three.
The two Brits in action have excellent billing although Jack Draper owes his presence on the Louis Armstrong Stadium Court for the opening match of the evening session to the profile of his opponent, sixth-seed Felix Auger-Allissime.
Earlier in the day though, the second stadium will host the women’s singles third seed Maria Sakkari, who takes on rising Chinese star Xiyu Wang, and home hope Madison Keys, who battles Camila Giorgi in what could be a tight contest.
Nick Kyrgios will follow the pair of women’s singles matches when he meets Frenchman Benjamin Bonzi in one of the more anticipated matches of the day.
Follow the US Open with live women’s singles scores
After Draper’s match on the Louis Armstrong Stadium Court former US Open champion Bianca Andreescu takes on in-form 15th seed Beatriz Haddad Maia.
Ons Jabeur is slowly working her way towards the inner courts having started her tournament on the periphery.
Jabeur opens up the action on the Grandstand Stadium Court from 16:00.

Tennis fans in the UK will need to be in possession of an Amazon Prime subscription to get their fill of the US Open action.
Amazon Prime holds the exclusive rights to broadcast the US Open in the UK with all matches also available to be rewatched through Prime Video on demand.
In the USA, ESPN is the exclusive broadcast partner for the eighth year in succession.
ESPN coverage will be split between their primary channel, ESPN2 ESPN3, ESPN+ and the ESPN App.
Additional broadcast partners:
SPOTV / Eclat: Mongolia, Brunei, Cambodia, East Timor, Hong Kong, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, South Korea, Thailand, Vietnam and Macau
Spark Sport: New Zealand
Channel 9 / Stan Sport: Australia
Sony Sport Network: Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan and Sri Lanka
Digicel: Cook Islands, Fiji, French Polynesia, Nauru, New Caledonia, Solomon Islands, Tahiti, Tokelau, Tonga, Tuvalu, Vanuatu, Wallis & Futuna, Western Samoa and Papua New Guinea
SuperSport: South Africa, Nigeria and other sub-Saharan African countries.

Novak Djokovic has insisted his ambition to achieve more in the game.

Serena Williams says she wants to devote her time to being a mother to her daughter Olympia.

Ljubicic had told Eurosport that Federer’s decision to quit was made some time ago.

Can Jannik Sinner win the title in Sofia for the third time in a row?

Liudmila Samsonova says missing Wimbledon allowed her to work on her game and she is now reaping the benefits.

Novak Djokovic struggled with wrist issues during this weekend’s Laver Cup.

Team World won the Ryder Cup-style team competition 13-8 at the O2.

Federer has called it a day but what comes next for tennis.

Bjorn Borg confirmed he will step down from the role after the 2023 edition in Vancouver.

We now wait to see which member of the fable ‘Big Four’ will join Federer in retirement and Murray might well be next.


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