This is a discussion on English Citizens Being Taxed on Winnings in Vegas within the online poker forums, in the General Poker section; Do you get taxed on poker winnings in vegas if your a english citizen
Short answer, if you apply for an ITIN and file it with the casino, no you will not have any taxes withheld.
October 20th, 2017, 5:12 AM
Online Poker at: Pokerstars
The U.K. has a tax treaty exemption for gambling winnings with the US. If you provide a W-8BEN form you won’t have any winnings withheld. You don’t need the apply for a ITIN if you provide your tax number on the W-8BEN. You still of course have to report your winnings on your Country’s tax return.