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. Björn Borg: Björn Rune Borg (] ; born 6 June 1956) is a Swedish former world No. 1 tennis player widely considered to be one of the greatest in the history of the sport.
Björn Rune Borg