Who has won more doubles titles, Yevgeny Kafelnikov or Fabio Fognini?
Yevgeny Kafelnikov: Yevgeny Aleksandrovich Kafelnikov (Russian: Евгений Александрович Кафельников ] ; born 18 February 1974) is a Russian former world No. 1 tennis player. Fabio Fognini:  Together with Simone Bolelli, Fognini won the 2015 Australian Open doubles event, becoming the first all Italian men's pair to win a Grand Slam title in the Open era.
i don't know