Duel's US Open Challenge is a weekly challenge set out by the Current United States Champion on RAW, as forced by Duel. So far, the current United States Champion, Sting, has won every open challenge he has had to face to date.
List of Matches in the US Open Challenge Edit
|Sting||Kane? '02||Sting||RAW #11|
|Sting||Roman Reigns||Sting||RAW #12||
|Sting||Kane 02?||Sting||Raw #13|