Barry Klarberg managed what Russian former professional tennis player?
Anna Kournikova Anna Sergeyevna Kournikova (Russian: А́нна Серге́евна Ку́рникова ; ] ; born 7 June 1981) is a Russian former professional tennis player. Her appearance and celebrity status made her one of the best known tennis stars worldwide. At the peak of her fame, fans looking for images of Kournikova made her name one of the most common search strings on Google Search.
Mikhail Biryukov (tennis) Mikhail Biryukov (born April 28, 1992) is a junior Russian tennis player. His highest ATP singles ranking was 292. Now he is a coach of under 16 player Alexey Zakharov.