It's Hot or Not time again as Sportsmail's Ian Ladyman reveals what's been making him feel warm and what's been leaving him cold this week. Virat Kohli showed a real act of sportsmanship.

Rafael Nadal moved ominously into the last 16 at the US Open with a straight-sets win over Chung Hyeon.

MIKE DICKSON IN NEW YORK: In the long run it may not prove such a bad thing that Coco Gauff was unable to produce a stunning upset of Naomi Osaka.

The tennis ace, 37, who is presently competing in the US Open at Flushing Meadow, New York, revealed she finds it 'really kind of painful' to leave the toddler she shares with husband Alexis Ohanian.

MIKE DICKSON IN NEW YORK: Hardly anyone walks tightrope of deciding sets as well as Jo Konta this year, and she successfully did so once again to make the last eight of the US Open.

The Australian, who won the French Open earlier this year, was beaten in straight sets by Wang Qiang, the 18th seed from China.

The 23-year-old Australian tennis star was thrashed 6-2 6-4 by Chinese player Wang Qiang, just a day after playing a hard-fought doubles clash.

MIKE DICKSON IN NEW YORK: Defending singles champions perished at the US Open within 24 hours of each other, one departing to a cacophony of booing and the other to supportive cheers.

After winning the first set on Monday night, Alexander Zverev's momentum faded and Diego Schwartzman went on to book his place in the quarter-finals following a 3-6, 6-2, 6-4, 6-3 win.

MIKE DICKSON IN NEW YORK: Words with negative connotations are out when it comes to the work she does with Dimitri Zavialoff. The hairdryer is strictly confined to the hotel room.

Ashleigh Barty is poised to crown her phenomenal season by becoming the first Australian woman to ever top the year-ending tennis rankings.

MIKE DICKSON IN NEW YORK: This time there were no recriminations or spats with the media, just the numbing disappointment of another missed opportunity.

Rod Laver says Australian tennis player Nick Kyrgios needs to stop trying to be an entertainer and take a discipline pill in order to maximise his undoubted potential.

Barty powered into the US Open doubles semi-finals with fellow former world No.1 Victoria Azarenka on Tuesday with a 2-6 7-5 6-1 comeback win over top seeds Timea Babos and Kristina Mladenovic.

Priyanka Chopra was in full best friend mode as she headed to the US Open in New York to support Serena Williams. She looked effortlessly fashionable in a floral summer dress.

The 38-year-old comedian looked cute in a plaid dress as she joined her husband Chris Fischer, 39, for the New York outing.

MIKE DICKSON IN NEW YORK: Two days before another dramatic US Open exit, Roger Federer was talking up the chances of him being competitive in the Grand Slams into his forties.

Rafael Nadal kept pulling away in his US Open quarter-final, then getting reeled back in by Diego Schwartzman. But the Spaniard came through to reach the last four in New York.

She's the Australian actress who rarely puts a foot out of line when it comes to fashion.

Emily Mortimer was enjoying a break from her acting duties on Wednesday, watching the tennis at the US Open alongside her husband Alessandro Nivola and her son Samuel, 15.

Juan Sebastian Cabal and Robert Farah became the first Colombians to win the U.S. Open men's doubles title on Friday, easing past Marcel Granollers and Horacio Zeballos.

The Duchess of Sussex was seen with a friend heading into Modo Yoga location in the West Village of Manhattan. Meghan, 38, joined a surprisingly full class of up to 60 people at the eco-conscious studio.

MIKE DICKSON IN NEW YORK: The US Open was where Andy Murray made his Grand Slam breakthrough, but it is brother Jamie who gone on to become a Flushing Meadows specialist.

MIKE DICKSON IN NEW YORK: Men's tennis will get a taste both of its glorious recent past and uncertain future in Sunday's final of the US Open.

In July, Justin Bieber stepped out in LA rocking a T-shirt with the Jonas Brothers. And on Friday, Nick Jonas attended the US Open in NY, clad in a tee with the photo of Justin wearing his famous shirt.

MIKE DICKSON IN NEW YORK: When you have lost your fourth Grand Slam final in a row it is perhaps a tiny consolation to get an arm around the shoulder from royalty as Serena Williams did.

The catwalk queen, 33, turned heads once again as she brought some supermodel glamour to the US Open men's final at the Billie Jean King National Tennis Center in New York on Sunday.

EXCLUSIVE: As the 2019 tennis season draws to a close, it is time to look back. Sportsmail sat down with Milos Raonic, Tim Henman and Katie Boulter to find out their player of the year and plenty more...

For Ken Skupski the Coronavirus has meant the most abrupt shift in lifestyle, from global traveller to what he cheerfully describes as 'almost a house husband'.

The biggest challenge for sports fans once action does resume will be keeping track of it all and where there have been changes in the schedule. Here, Sportsmail runs you through the plan so far.

Fund manager Terry Smith is the Cristiano Ronaldo of the investment world. He is right at the top of his profession and, like the footballing maestro, he is handsomely rewarded for his particular 'craft'.

The new 'ethical growth' portfolio has been created Interactive Investor. You have to buy and sell every fund, trust or ETF individually, but each is given a recommended weighting.

A stream of newish 'alternative assets' paying investors attractive dividends has become available to income-hungry investors.

Size is the big issue of 2020. Not so long ago, it felt hugely comforting to be an investor in an extra large stock market fund, run by a star manager. But then came Neil Woodford.

The oil giant faces mounting pressure to sell its stake in Russian energy giant Rosneft as it embarks on a major strategy overhaul to prop up its dividend payouts.

The flower is not only a sight that lifts spirits in the gloomy cold of February. With careful nurturing it can be grown into a shrewd investment that for collectors is worth hundreds of pounds.

Investors are being warned to steer clear of adverts for collective investment schemes that promise a stream of income from a stake in a car park, self-storage units, or student living.

Investing can seem like an intimidating business.But there is no reason to be put off: a nimble, beginner investor even has some advantages over the professionals.

As rare books are so pricey, it's not surprising that many collectors work in the financial services or entertainment industries. The most important factors are a book's condition, rarity and desirability.

Some £600m sitting in inactive bank accounts has gone to good causes since 2008, and the Government is thinking about extending this to investment funds, shares and insurance products.

While the chances of being a space tourist is slim for most, the sector could provide investors with some opportunities.

Companies globally are suffering the effects of the spread of the virus. The FTSE 100, which makes up Britain's biggest firms, fell by 3.3 per cent on Monday wiping around £62bn off their value.

At a Christie's auction in London in November a Hermès bag, a rare matte white Himalaya Niloticus Crocodile Birkin 30, sold for a whopping £125,000. The estimated price was £60,000 to £80,000.

Stock markets are in freefall as coronavirus threatens to tip the world into recession. The FTSE fell another 4 per cent yesterday, taking losses in the past three weeks to more than 30 per cent.

A number of asset managers have suspended trading on their open-ended property funds as markets continue to be rocked by the coronavirus panic.

Here, we have asked eight influential experts who have invested through previous crashes to share their top tips on surviving the coronavirus pandemic-hit stock market.

The UK economy is highly likely to fall into a recession due to coronavirus. We look at funds to protect your wealth.

Anthony Bolton, who has been one of the UK's most successful investors over the last four decades, said he has returned to investing in a personal capacity.

It arises from the fact that many of the country's leading income-orientated trusts have sufficient income buffers (reserves) in place to withstand a hostile dividend environment.

With Covid-19 dominating the news, the focus on healthcare has never been greater. Companies making everything from vaccines to disinfectant are suddenly having their moment in the sun.