# 1931 U.S. National Championships – Men's singles

First-seeded Ellsworth Vines defeated fourth-seeded George Lott 7–9, 6–3, 9–7, 7–5 in the final to win the men's singles tennis title at the 1931 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. Fred Perry is the champion; others show the round in which they were eliminated.

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| 1 | Ellsworth Vines | 6 | 6 | 8 | | | | | | | | | | | | | | | |
| | Berkeley Bell | 1 | 4 | 6 | | | | | | | | | | | | | | | |
| | Berkeley Bell | 1 | 4 | 6 | | | 1 | Ellsworth Vines | 4 | 3 | 6 | 6 | 6 | | | | | | |
| | | | | | | | (1) | Fred Perry | 6 | 6 | 4 | 4 | 3 | | | | | | |
| | Frank Bowden | 2 | 3 | 4 | | | (1) | Fred Perry | 6 | 6 | 4 | 4 | 3 | | | | | | |
| (1) | Fred Perry | 6 | 6 | 6 | | | | | | | | | | | | | | | |
| (1) | Fred Perry | 6 | 6 | 6 | | | | | | | | | | 1 | Ellsworth Vines | 7 | 6 | 9 | 7 |
| | | | | | | | | | | | | | | 4 | George Lott | 9 | 3 | 7 | 5 |
| 2 | Frank Shields | 2 | 9 | 6 | 6 | | | | | | | | | | | | | | | 4 | George Lott | 9 | 3 | 7 | 5 |
| 5 | John Doeg | 6 | 11 | 4 | 8 | | | | | | | | | | | | | | |
| 5 | John Doeg | 6 | 11 | 4 | 8 | | 5 | John Doeg | 5 | 3 | 0 | | | | | | | | |
| | | | | | | | 4 | George Lott | 7 | 6 | 6 | | | | | | | | |
| 4 | George Lott | 5 | 1 | 6 | 7 | 6 | 4 | George Lott | 7 | 6 | 6 | | | | | | | | |
| 7 | John Van Ryn | 7 | 6 | 0 | 5 | 1 | | | | | | | | | | | | | |

### Earlier rounds
#### Section 1

| Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 1 | Vines | 6 | 6 | 6 | | | | | | | | | | | | | |
| | Fischer | 4 | 0 | 3 | | | | | | | | | | | | | |
| | | | | | | | 1 | Vines | 6 | 6 | 6 | 6 | | | | | |
| | | | | | | | | Wright | 3 | 3 | 8 | 2 | | | | | |
| Jenkins | Jenkins | 6 | 2 | 5 | 6 | | | | | | | | | | | | |
| Wright | Wright | 3 | 6 | 7 | 8 | | | | | | | | | | | | |
| | | | | | | | | | | | | | 1 | Vines | 6 | 6 | 7 |
| | | | | | | | | | | | | | | Hall | 2 | 3 | 5 |
| Tidball | Tidball | 4 | 6 | 10 | 2 | | | | | | | | | | | | |
| Gilpin | Gilpin | 6 | 1 | 12 | 6 | | | | | | | | | | | | |
| | | | | | | | Gilpin | Gilpin | 0 | 6 | 3 | 1 | | | | | |
| | | | | | | | Hall | Hall | 6 | 0 | 6 | 6 | | | | | |
| | Hall | 4 | 6 | 5 | 6 | 8 | | | | | | | | | | | |
| (7) | Bernard | 6 | 2 | 7 | 3 | 6 | | | | | | | | | | | |

#### Section 2

| Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 8 | Allison | 7 | 4 | 2 | 4 | | | | | | | | | | | | |
| | Bell | 5 | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | Bell | Bell | 6 | 6 | 6 | | | | | | | |
| | | | | | | Blauer | Blauer | 2 | 4 | 2 | | | | | | | |
| Blauer | Blauer | 6 | 6 | 7 | | | | | | | | | | | | | |
| Downing | Downing | 2 | 1 | 5 | | | | | | | | | | | | | |
| | | | | | | | | | | | | Bell | Bell | 9 | 7 | 4 | 7 |
| | | | | | | | | | | | | Bryan | Bryan | 7 | 5 | 6 | 5 |
| Boehmer | Boehmer | w/ | o | | | | | | | | | | | | | | |
| Bryan | Bryan | | | | | | | | | | | | | | | | |
| | | | | | | | Bryan | 2 | 6 | 6 | 8 | | | | | | |
| | | | | | | (3) | Hughes | 6 | 0 | 3 | 6 | | | | | | |
| | Palmer | 1 | 4 | 0 | | | | | | | | | | | | | |
| (3) | Hughes | 6 | 6 | 6 | | | | | | | | | | | | | |

#### Section 3

| First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | | | | 3 | Wood | 6 | 6 | 7 | | | | | | | | | | | | | | | |
| | | | | | | | Davenport | 2 | 4 | 5 | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | 3 | Wood | 6 | 0 | 8 | 3 | 3 | | | | | | |
| | | | | | | | | | | | | | | Bowden | 2 | 6 | 6 | 6 | 6 | | | | | | |
| | | | | | | Bowden | Bowden | 2 | 9 | 6 | 2 | 7 | | | | | | | | | | | | | |
| | | | | | | Burns | Burns | 6 | 7 | 1 | 6 | 5 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | Bowden | Bowden | 7 | 4 | 6 | 6 |
| | | | | | | | | | | | | | | | | | | | | Burwell | Burwell | 5 | 6 | 1 | 3 |
| | | | | | | DeMott | DeMott | 9 | 6 | 6 | | | | | | | | | | | | | | | |
| | | | | | | Sheridan | Sheridan | 7 | 4 | 3 | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | DeMott | DeMott | 3 | 0 | 3 | | | | | | | | |
| Donovan | Donovan | 6 | 11 | 3 | 4 | | | | | | | | Burwell | Burwell | 6 | 6 | 6 | | | | | | | | |
| Burwell | Burwell | 8 | 9 | 6 | 6 | Burwell | Burwell | 6 | 6 | 7 | | | | | | | | | | | | | | | |
| | Buxby | 6 | 6 | 3 | | Buxby | Buxby | 1 | 1 | 5 | | | | | | | | | | | | | | | |
| (6) | Rainville | 0 | 1 | 0 | rtd. | | | | | | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 6 | Sutter | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| | Stoefen | 3 | 4 | 4 | | | 6 | Sutter | 6 | 6 | 4 | 6 | | | | | | | | | | | |
| Coen | Coen | 6 | 7 | 6 | | | | Coen | 4 | 4 | 6 | 3 | | | | | | | | | | | |
| Feibleman | Feibleman | 3 | 5 | 4 | | | | | | | | | 6 | Sutter | 6 | 6 | 6 | | | | | | |
| Onda | Onda | | | | | | | | | | | | | Frame | 1 | 4 | 4 | | | | | | |
| Eggmann | Eggmann | w/ | o | | | | Onda | Onda | 4 | 1 | 6 | | | | | | | | | | | | |
| Fischer | Fischer | 2 | 6 | 7 | 3 | 5 | Frame | Frame | 6 | 6 | 8 | | | | | | | | | | | | |
| Frame | Frame | 6 | 2 | 5 | 6 | 7 | | | | | | | | | | | | 6 | Sutter | 6 | 4 | 3 | 3 |
| Bowman | Bowman | 6 | 7 | 6 | | | | | | | | | | | | | | (1) | Perry | 4 | 6 | 6 | 6 |
| Verstraten | Verstraten | 3 | 5 | 1 | | | Bowman | Bowman | 6 | 6 | 6 | | | | | | | | | | | | |
| Van Alen | Van Alen | 6 | 3 | 6 | 6 | | Van Alen | Van Alen | 2 | 0 | 2 | | | | | | | | | | | | |
| Crum Thompson | Crum Thompson | 2 | 6 | 2 | 2 | | | | | | | | | Bowman | 3 | 5 | 2 | | | | | | |
| Tarangioli | Tarangioli | 6 | 5 | 6 | 6 | | | | | | | | (1) | Perry | 6 | 7 | 6 | | | | | | |
| Smith | Smith | 2 | 7 | 4 | 0 | | | Tarangioli | 3 | 2 | 8 | | | | | | | | | | | | |
| | Seligson | 4 | 5 | 6 | 0 | | (1) | Perry | 6 | 6 | 10 | | | | | | | | | | | | |
| (1) | Perry | 6 | 7 | 4 | 6 | | | | | | | | | | | | | | | | | | |

#### Section 5

| First round | First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 2 | Shields | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | | | |
| | Sendel | 1 | 0 | 1 | | | 2 | Shields | 6 | 6 | 6 | | | | | | | | | | | | | | |
| Roll | Roll | 6 | 4 | 3 | | | | Partridge | 3 | 4 | 1 | | | | | | | | | | | | | | |
| Partridge | Partridge | 8 | 6 | 6 | | | | | | | | | | 2 | Shields | 6 | 6 | 6 | | | | | | | |
| Jones | Jones | 2 | 2 | 5 | | | | | | | | | | | Barnes | 0 | 3 | 1 | | | | | | | |
| Barnes | Barnes | 6 | 6 | 7 | | | Barnes | Barnes | 6 | 4 | 8 | 4 | 6 | | | | | | | | | | | | |
| Kamrath | Kamrath | 6 | 6 | 6 | | | Kamrath | Kamrath | 2 | 6 | 6 | 6 | 2 | | | | | | | | | | | | |
| Gonzales | Gonzales | 0 | 0 | 0 | | | | | | | | | | | | | | | 2 | Shields | 3 | 6 | 6 | 2 | 6 |
| Jones | Jones | 6 | 6 | 6 | | | | | | | | | | | | | | | | Gledhill | 6 | 2 | 4 | 6 | 4 |
| Kunkel | Kunkel | 3 | 4 | 4 | | | Jones | Jones | 6 | 4 | 6 | 4 | 6 | | | | | | | | | | | | |
| Jennings | Jennings | 11 | 6 | 5 | 6 | | Jennings | Jennings | 4 | 6 | 1 | 6 | 4 | | | | | | | | | | | | |
| Fischer | Fischer | 9 | 3 | 7 | 2 | | | | | | | | | Jones | Jones | 4 | 9 | 5 | | | | | | | |
| Gledhill | Gledhill | 5 | 6 | 6 | 6 | 6 | | | | | | | | Gledhill | Gledhill | 6 | 11 | 7 | | | | | | | |
| Yeomans | Yeomans | 7 | 4 | 4 | 8 | 4 | Gledhill | Gledhill | 6 | 6 | 7 | | | | | | | | | | | | | | |
| | Williams | 3 | 6 | 6 | 7 | 8 | Williams | Williams | 1 | 2 | 5 | | | | | | | | | | | | | | |
| (5) | Wright | 6 | 2 | 3 | 9 | 6 | | | | | | | | | | | | | | | | | | | |

#### Section 6

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 5 | Doeg | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| | Werner | 3 | 2 | 4 | 5 | Doeg | 6 | 1 | 2 | 6 | 6 | | | | | | | | | | | | |
| R. M. Watt | R. M. Watt | 4 | 7 | 5 | | Jacobs | 4 | 6 | 6 | 0 | 3 | | | | | | | | | | | | |
| Jacobs | Jacobs | 6 | 9 | 7 | | | | | | | | 5 | Doeg | 10 | 6 | 10 | 6 | | | | | | |
| | | | | | | | | | | | | | Herndon | 8 | 3 | 12 | 3 | | | | | | |
| | | | | | Herndon | Herndon | 3 | 2 | 3 | | | | | | | | | | | | | | |
| | | | | | Griffin | Griffin | 6 | 6 | 5 | rtd. | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 5 | Doeg | 6 | 4 | 6 | 6 |
| | | | | | | | | | | | | | | | | | | | Grant | 0 | 6 | 2 | 1 |
| | | | | | Green | Green | 2 | 3 | 5 | | | | | | | | | | | | | | |
| | | | | | Griffin | Griffin | 6 | 6 | 7 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | Griffin | Griffin | 4 | 5 | 6 | 3 | | | | | | |
| | | | | | | | | | | | | Grant | Grant | 6 | 7 | 4 | 6 | | | | | | |
| | | | | | | Grant | 3 | 7 | 6 | 6 | | | | | | | | | | | | | |
| | | | | | (4) | Brugnon | 6 | 5 | 3 | 4 | | | | | | | | | | | | | |

#### Section 7

| Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 4 | Lott | 6 | 6 | 6 | | | | | | | | | | | | |
| | Murphy | 3 | 3 | 3 | | | | | | | | | | | | |
| | | | | | | | 4 | Lott | 6 | 6 | 6 | | | | | |
| | | | | | | | | Martin | 0 | 3 | 1 | | | | | |
| Moore | Moore | 0 | 3 | 2 | | | | | | | | | | | | |
| Martin | Martin | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | | | | | 4 | Lott | 6 | 6 | 6 |
| | | | | | | | | | | | | | Mangin | 1 | 3 | 2 |
| Mangin | Mangin | 6 | 8 | 8 | | | | | | | | | | | | |
| McCauliff | McCauliff | 3 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | Mangin | 6 | 6 | 6 | | | | | |
| | | | | | | | (8) | Merlin | 3 | 2 | 1 | | | | | |
| | MacPherson | 1 | 6 | 6 | 6 | 5 | | | | | | | | | | |
| (8) | Merlin | 6 | 1 | 0 | 8 | 7 | | | | | | | | | | |

#### Section 8

| Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| 7 | Van Ryn | 6 | 6 | 6 | | | | | | | | | | | | | |
| | Loughlin | 1 | 1 | 1 | | | | | | | | | | | | | |
| | | | | | | | 7 | Van Ryn | 6 | 6 | 6 | | | | | | |
| | | | | | | | | Lavine | 3 | 0 | 3 | | | | | | |
| Law | Law | 8 | 4 | 6 | 3 | 1 | | | | | | | | | | | |
| Lavine | Lavine | 6 | 6 | 3 | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | 7 | Van Ryn | 7 | 6 | 6 |
| | | | | | | | | | | | | | (2) | Boussus | 5 | 0 | 4 |
| Lang | Lang | 7 | 6 | 10 | | | | | | | | | | | | | |
| Kynaston | Kynaston | 5 | 1 | 8 | | | | | | | | | | | | | |
| | | | | | | | | Lang | 3 | 6 | 2 | 1 | | | | | |
| | | | | | | | (2) | Boussus | 6 | 3 | 6 | 6 | | | | | |
| | Kurzrok | 6 | 3 | 10 | 1 | | | | | | | | | | | | |
| (2) | Boussus | 2 | 6 | 12 | 6 | | | | | | | | | | | | |