With partner Nelli Zhiganshina, he is a six-time German national champion (2007, 2011–2015) and has won twelve international medals.[4] At the start of their partnership, they trained mainly in Moscow with coaches Elena Kustarova and Svetlana Alexeeva and, during summers, in Berlin and Chemnitz due to Gazsi's army service.During the 2007–08 season, they made their debut on the Grand Prix circuit, placing 7th at Skate Canada and 8th at Cup of Russia.They considered leaving competition to focus on show skating and worked with circus acrobats in Moscow but decided to continue their competitive career and moved to Oberstdorf, Germany in spring 2009 to work with coaches Rostislav Sinicyn and Martin Skotnicky.This was the first top-ten result for German ice dancers since 2003 (Kati Winkler / Rene Lohse).As a result of their Worlds placement, Germany qualified two spots in ice dancing at the 2014 Olympics.