Isamu Yamamoto Guenter Mokulys Mike Osterman World Round Up Semi Runs 2015Here are the semi-final runs of the Top 3 Pros in the 2015 World Round Up Freestyle Skateboard Competition - Isamu Yamamoto, Guenter Mokulys & Mike Osterman. Who will be the 2015 Champion? *** Disclaimer *** I do not own the rights to any of the audio or images included in the videos uploaded on this page. They are here for entertainment purposes only.