Sergei Sergeevich Bubka is a Ukrainian former professional tennis player. He was a member of the Ukraine Davis Cup team and was coached by Tibor Toth, who is also the former coach of Sergiy Stakhovsky. Bubka is the son of pole vaulter Sergey Bubka.

Sergiy Eduardovych Stakhovsky is a Ukrainian former professional tennis player. Stakhovsky turned professional in 2003 and played mostly at the Challenger level from 2005 to 2008. His career-high rankings were World No. 31 in singles and No. 33 in doubles.