Joseph Hunt defeated Jack Kramer 6–3, 6–8, 10–8, 6–0 in the final to win the men's singles tennis title at the 1943 U.S. National Championships.

Draw

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

Finals

Earlier rounds

Section 1

Section 2

References

External links 1943 U.S. National Championships on ITFtennis.com , the source for this draw