It’s hard with these things to be 100% on the details, but the video description states that he has $100,000 on a single number. If so he has a big set of cojones on him!
Credit to the uploader for uploading both his wins and loses, but to me this highlights the scary side of gambling. No matter how much money a person has, I’m not convinced they can afford to lose £70+ in a single sitting!