In 2009, Kubová teamed up with Russian ice dancer Dmitri Kiselev to compete for the Czech Republic. In their first two seasons together, they competed on the junior level and placed 14th at the 2010 World Junior Championships. Moving up to the senior level in the 2011–12 season, Kubová/Kiselev won the silver medal at the Pavel Roman Memorial and gold at the Czech national championships. They were assigned to the 2012 European Championships, placing 18th, and to the 2012 World Championships, placing 26th. Kiselev retired from competition in autumn 2012.