1952 U.S. National Championships – Men's singles

Frank Sedgman defeated Gardnar Mulloy 6–1, 6–2, 6–3 in the final to win the men's singles tennis title at the 1952 U.S. National Championships.

Seeds
The tournament used two lists of eight players for seeding the men's singles event; one for U.S. players and one for foreign players. Frank Sedgman is the champion; others show the round in which they were eliminated.


 * U.S.


 * 1) 🇺🇸 Vic Seixas (fourth round)
 * 2) 🇺🇸 Dick Savitt (quarterfinals)
 * 3) 🇺🇸 Arthur Larsen (fourth round)
 * 4) 🇺🇸 Herbie Flam (fourth round)
 * 5) 🇺🇸 Bill Talbert (fourth round)
 * 6) 🇺🇸 Gardnar Mulloy (finalist)
 * 7) 🇺🇸 Ham Richardson (semifinals)
 * 8) 🇺🇸 Tut Bartzen (fourth round)


 * Foreign


 * 1) 🇦🇺 Frank Sedgman (champion)
 * 2) 🇦🇺 Ken McGregor (first round)
 * 3) 🇦🇺 Mervyn Rose (semifinals)
 * 4) 🇧🇪 Philippe Washer (fourth round)
 * 5)  Kurt Nielsen (third round)
 * 6)  Felicisimo Ampon (fourth round)
 * 7) 🇦🇺 Ken Rosewall (quarterfinals)
 * 8) 🇦🇺 Lew Hoad (quarterfinals)

Key

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