After turning professional, Kehl's first prestigious match was in on December 5, 2009, in Bangkok, against Fadi Merza in the quarterfinals of the WMC King's Cup, which he lost.
On September 14, 2013, at Mallorca, Spain, The Hurricane arrived in the K-1 World MAX, and won at the final 16 with Henri van Opstal, and advanced to the quarter-final.
At K-1 World Max quarterfinals he won in Gran Canaria with Maximo Suárez, and, advanced at the final 4 fought in Baku, Azerbaijan, also with Shane Campbell.
[8] On March 8, 2019, he made his promotional debut at ONE Championship: Reign of Valor, defeating Liam Nolan by second-round TKO.
Kehl was entered into the 2019 ONE Featherweight Kickboxing World Grand Prix, which featured names like Giorgio Petrosyan and Yodsanklai Fairtex.
[9] On May 17, 2019, he lost to Dzhabar Askerov in the Grand Prix Quarter-final by unanimous decision at ONE Championship: Enter the Dragon.
[13] Kehl faced Davit Kiria in the quarter-finals of the 2021 ONE Kickboxing Featherweight Grand Prix at ONE Championship: First Strike on October 15, 2021.