[4][5] On November 13, 2010, Wolf challenged Daniel Martins for his WAKO-Pro Full Contact Featherweight world title.

[9][10] On January 14, 2012, Wolf travelled to Grozny, Russia to face Umar Paskhaev for the W5 low kick rules European title.

[12] Wolf made the third defense of his ISKA Featherweight World title against Marvin Falck on March 17, 2013.

[14] Wolf was booked to defend his ISKA World Super Featherweight title against Arnaud Charrier on January 16, 2016, in Saint-Brieuc, France.

[17][18] This result earned him an upset of the year nomination by Combat Press and an invitation to the upcoming 60 kg K-1 World Grand Prix.

[19] Wolf rematched Hirotaka Urabe in the quarterfinals of the 2016 K-1 World Super Featherweight Grand Prix, which took place on September 19, 2016.