The lucky player was watching the football at the same time as playing at Casumo when he got the big win.
Throughout May, bgo is giving away cash prizes of £200 or £250 in this Mystery League promotion.
Get one of the bonus cards and win the bonus amount - up to £150 per card, with 12 winners each day.
Whether you love playing slots, live casino games, or betting on sports, Mr Green has the welcome bonus for you.
Runners-up prizes include cash, GoPros, and waterproof Bluetooth speakers. Play the selected games to enter.
You’ll need to get on a roll, though, as you need to get four blackjacks in a row to scoop the prize.
If you don’t win the big prize, you might win one of the runners up prizes—a share of £10k in casino bonuses.
The player, who is from the UK, won the cash playing on roulette on his first day with the casino.
If you win this prize draw you will be jetting off to a 5-star tropical island paradise - start collecting tickets now.
There is also cash prizes and bonuses for the runners-up, plus taking part in the competition couldn't be easier.
The popular online casino is running the massive prize draw as part of its 10-year anniversary celebrations.
Club Royale is an exclusive Mr Green club offering a range of fantastic benefits. It is by invitation only.