Who was the higher ranked player of the same sport: Sun Tiantian or Björn Borg?
Sun Tiantian Sun Tiantian (; ; born 12 October 1981) is a Chinese former professional tennis player.
Sun Caiyun Sun Caiyun (; born July 21, 1973 in Shenzhen) is a Chinese former pole vaulter, who was one of the leading athletes in her discipline in the early 1990s. She became the first official world record holder, jumping 4.05 meters on May 21, 1992 in Nanjing, China. In 1994 she received a three-month doping ban.