1973 World Championship Tennis Finals – Singles

Ken Rosewall was the defending champion but lost in the semifinals to Arthur Ashe.

Stan Smith won the singles title of the 1973 World Championship Tennis Finals after a 6–3, 6–3, 4–6, 6–4 in the final against Ashe.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Stan Smith (champion)
 * 2) 🇬🇧 Roger Taylor (quarterfinals)
 * 3) 🇺🇸 Marty Riessen (quarterfinals)
 * 4) 🇦🇺 Rod Laver (semifinals)
 * 5) 🇦🇺 Roy Emerson (quarterfinals)
 * 6) 🇺🇸 Arthur Ashe (final)
 * 7) 🇦🇺 Ken Rosewall (semifinals)
 * 8) 🇦🇺 John Alexander (quarterfinals)