1946 U.S. National Championships – Men's singles

Jack Kramer defeated Tom Brown 9–7, 6–3, 6–0 in the final to win the men's singles tennis title at the 1946 U.S. National Championships. == Seeds == The seeded players are listed below. Jack Kramer is the champion; others show the round in which they were eliminated. == Draw == === Key === Q = Qualifier WC = Wild card LL = Lucky loser r = Retired === Final eight === === Earlier rounds === ==== Section 1 ==== ==== Section 2 ==== ==== Section 3 ==== ==== Section 4 ==== ==== Section 5 ==== ==== Section 6 ==== ==== Section 7 ==== ==== Section 8 ==== == References == == External links == 1946 U.S. National Championships on ITFtennis.com Archived 2020-01-10 at the Wayback Machine, the source for this draw