1973 French Open – Men's singles

Ilie Năstase defeated Nikola Pilić in the final, 6–3, 6–3, 6–0 to win the men's singles tennis title at the 1973 French Open. It was his second and last major singles title, having also won the 1972 US Open. Năstase did not lose a set en route to the title.

Andrés Gimeno was the defending champion, but lost in the second round to Guillermo Vilas.

This was the first major appearance for future world No. 1, six-time French Open champion, and eleven-time major champion Björn Borg.

Seeds
The seeded players are listed below. Ilie Năstase is the champion; others show the round in which they were eliminated.


 * 1) 🇺🇸 Stan Smith (fourth round)
 * 2) 🇷🇴 Ilie Năstase (champion)
 * 3) n/a
 * 4) 🇺🇸 Arthur Ashe (fourth round)
 * 5) 🇪🇸 Manuel Orantes (second round)
 * 6) 🇦🇺 John Newcombe (first round)
 * 7) 🇪🇸 Andrés Gimeno (second round)
 * 8) 🇮🇹 Adriano Panatta (semifinals)
 * 9) 🇺🇸 Cliff Richey (first round)
 * 10) 🇬🇧 Roger Taylor (quarterfinals)
 * 11) 🇫🇷 Patrick Proisy (first round)
 * 12) 🇺🇸 Jimmy Connors (first round)
 * 13) 🇬🇧 Mark Cox (second round)
 * 14)  Jan Kodeš (quarterfinals)
 * 15) 🇫🇷 François Jauffret (fourth round)
 * 16) 🇳🇱 Tom Okker (quarterfinals)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired