1938 U.S. National Championships – Men's Singles
defeated Gene Mako 6–3, 6–8, 6–2, 6–1 in the final to win the Men's Singles tennis title at the 1938 U.S. National Championships to become the first player in history to complete the Grand Slam.Seeds
The seeded players are listed below. Don Budge is the champion; others show the round in which they were eliminated.
- Don Budge '
- n/a
- Bobby Riggs '
- n/a
- Joseph Hunt '
- n/a
- Sidney Wood '
- n/a
- Elwood Cooke '
- n/a
- Franjo Kukuljević '
- n/a
- Frank Parker '
- n/a
- Bryan Grant '
Draw
Key
Earlier rounds
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
Section 8