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.
Zoya Ivanova Zoya Ivanova (Зоя Иванова; born March 14, 1952 in Petropavl, Kazakh SSR) is a retired long-distance runner from Kazakhstan, who represented the Soviet Union in the women's marathon at the 1988 Summer Olympics in Seoul, South Korea.