Career
With Zabijako, he also competed at the 2011 World Championships, placing 16th. From 2008–2009, Kulbach competed with Anna Khnychenkova for Ukraine. In 2010, Kulbach teamed up with Natalja Zabijako to represent Estonia.
After debuting at the 2010 Nebelhorn Trophy, the pair placed 13th at the 2011 European Championships and 16th at the 2011 World Championships.
Zabijako injured her back as a result of a fall at the North Rhine-Westphalia Trophy in December 2011, preventing them from competing at the 2012 European Championships. On 15 February 2012, it was reported that Zabijako and Kulbach had parted ways and he had returned to Ukraine.
With Zabijako
With Khnychenkova.
