The biggest ever EuroMillions jackpot of £191m is up for grabs in Tuesday night's draw.
The record prize was available in last Friday's draw, but there was no winner, meaning it could be scooped by a lucky player this evening.
This time last week, the prize available was £186m.
No one matched Friday's winning numbers of 28, 31, 35, 43, 46 – with the Lucky Star numbers of 04 and 07.
Watch: Biggest ever UK EuroMillions winners thought they'd won thousands
The prize pot has hit its limit and rolls over to Tuesday night.
Andy Carter, senior winners’ adviser at the National Lottery, said: “Tuesday will be huge – with an incredible estimated EuroMillions jackpot of £191m up for grabs, we could be celebrating our biggest ever UK winner.
“Think of all the good that a win of this size could do.
"Players should get their tickets early to be in with a chance of winning in this amazing draw.”
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A British jackpot success tonight would see them become the UK's biggest lotto winners, overtaking the current record holders just two months after their win.
Joe and Jess Thwaite from Gloucester won a record-breaking £184m EuroMillions jackpot in May.
A UK win would also make it the luckiest EuroMillions nation, beating France’s 117 wins since the draw began in February 2004.
There have already been three UK EuroMillions jackpot winners this year.
If a lucky UK ticket-holder manages to secure the top prize on Tuesday, they would be able to purchase a townhouse in London’s Mayfair, complete with steam room and plunge pool, cinema room and fully-equipped chef’s kitchen – which is valued at £55m on Zoopla – three times over with money to spare.
What time is the EuroMillions draw?
The EuroMillions draw is held twice a week, on Tuesdays and Fridays, and is played in nine European countries.
The EuroMillions draw is at 8.45pm on Tuesday night and can be watched live on the National Lottery's website and YouTube channel.
To be in with a chance to win, players are urged to buy their tickets before 7.30pm on Tuesday.
How much is a EuroMillions ticket?
The EuroMillions draw costs £2.50 per play.
The draw can be entered online or through The National Lottery app.
Watch: Meet the UK's biggest ever lottery winners after £184m EuroMillions win.