1958 U.S. National Championships – Men's singles

Ashley Cooper defeated Mal Anderson 6–2, 3–6, 4–6, 10–8, 8–6 in the final to win the men's singles tennis title at the 1958 U.S. National Championships.

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


 * 1) 🇦🇺 Mal Anderson (finalist)
 * 2) 🇦🇺 Ashley Cooper (champion)
 * 3) 🇺🇸 Ham Richardson (fourth round)
 * 4) 🇦🇺 Neale Fraser (semifinals)
 * 5) 🇺🇸 Barry MacKay (second round)
 * 6) 🇺🇸 Alex Olmedo (quarterfinals)
 * 7) Kurt Nielsen (first round)
 * 8) 🇺🇸 Dick Savitt (quarterfinals)

Key

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