Who was the first major athlete in the Soviet Union to demand publicly to keep their tournament earnings was Natasha Zvereva or Katarina Srebotnik?
Katarina Srebotnik Katarina Srebotnik (born March 12, 1981) is a Slovenian professional tennis player. She reached a career-high singles ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006, and a career-high doubles ranking of No. 1 on July 4, 2011.
1990 Kremlin Cup The 1990 Kremlin Cup was a tennis tournament played on indoor hard courts. It was the 1st edition of the Kremlin Cup, and was part of the International Series of the 1990 ATP Tour. It took place at the Olympic Stadium in Moscow, Russia, from 5 November through 12 November 1990. Only men were involved in singles and doubles - it became a joint event in 1996.