# 1955 U.S. National Championships – Men's singles

Tony Trabert defeated Ken Rosewall 9–7, 6–3, 6–3 in the final to win the men's singles tennis title at the 1955 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. Tony Trabert 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 4 | Lew Hoad | 6 | 6 | 5 | 6 | | | | | | | | | | |
| | Sam Giammalva | 3 | 2 | 7 | 3 | | | | | | | | | | |
| | Sam Giammalva | 3 | 2 | 7 | 3 | 4 | Lew Hoad | 4 | 2 | 1 | | | | | |
| | | | | | | 1 | Tony Trabert | 6 | 6 | 6 | | | | | |
| 15 | Herbie Flam | 2 | 3 | 4 | | 1 | Tony Trabert | 6 | 6 | 6 | | | | | |
| 1 | Tony Trabert | 6 | 6 | 6 | | | | | | | | | | | |
| 1 | Tony Trabert | 6 | 6 | 6 | | | | | | | 1 | Tony Trabert | 9 | 6 | 6 |
| | | | | | | | | | | | 2 | Ken Rosewall | 7 | 3 | 3 |
| 2 | Ken Rosewall | 6 | 9 | 2 | 6 | | | | | | | | | | | 2 | Ken Rosewall | 7 | 3 | 3 |
| 5 | Ham Richardson | 4 | 7 | 6 | 3 | | | | | | | | | | |
| 5 | Ham Richardson | 4 | 7 | 6 | 3 | 2 | Ken Rosewall | 6 | 6 | 7 | | | | | |
| | | | | | | 3 | Vic Seixas | 4 | 4 | 5 | | | | | |
| 13 | Tut Bartzen | 3 | 1 | 11 | | 3 | Vic Seixas | 4 | 4 | 5 | | | | | |
| 3 | Vic Seixas | 6 | 6 | 13 | | | | | | | | | | | |

### Earlier rounds
#### Section 1

| 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 | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | | | | | | | 4 | Hoad | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | Pharr | 2 | 3 | 4 | | | | | | | | | | | | |
| | | | | | | | | | | | | | 4 | Hoad | 6 | 6 | 6 | | | | | | |
| | Barker | 9 | 6 | 6 | 1 | | | | | | | | | Bédard | 4 | 4 | 4 | | | | | | |
| | Beale | 11 | 2 | 8 | 6 | | | Beale | 5 | 6 | 3 | 4 | | | | | | | | | | | |
| | Dodson | 6 | 1 | 4 | 6 | 1 | | Bédard | 7 | 4 | 6 | 6 | | | | | | | | | | | |
| | Bédard | 3 | 6 | 6 | 2 | 6 | | | | | | | | | | | | | 4 | Hoad | 6 | 6 | 6 |
| | Moreira | w/o | | | | | | | | | | | | | | | | | 11 | Larsen | 2 | 4 | 2 |
| | Kupferburger | | | | | | | Kupferburger | 6 | 7 | 6 | | | | | | | | | | | | |
| | Rose | 0 | 5 | 2 | | | | Main | 2 | 5 | 4 | | | | | | | | | | | | |
| | Main | 6 | 7 | 6 | | | | | | | | | | Kupferburger | 3 | 3 | 6 | 3 | | | | | |
| | Meyer | 7 | 3 | 6 | 2 | | | | | | | | 11 | Larsen | 6 | 6 | 4 | 6 | | | | | |
| | Barclay | 9 | 6 | 4 | 6 | | | Barclay | 5 | 2 | 6 | | | | | | | | | | | | |
| | Van Rensselaer | 6 | 4 | 5 | | | 11 | Larsen | 7 | 6 | 8 | | | | | | | | | | | | |
| 11 | Larsen | 8 | 6 | 7 | | | | | | | | | | | | | | | | | | | |

#### Section 2

| 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 |
| | Freeman | 1 | 0 | 0 | | | | | | | | | | | | | | | | | | | |
| 16 | Kamo | 6 | 6 | 6 | | | 16 | Kamo | 6 | 13 | 6 | 6 | 6 | | | | | | | | | | |
| | Fontana | 4 | 2 | 4 | | | | Anderson | 8 | 11 | 4 | 8 | 8 | | | | | | | | | | |
| | Anderson | 6 | 6 | 6 | | | | | | | | | | Anderson | 4 | 2 | 6 | 4 | | | | | |
| | Schaffer | 2 | 1 | 2 | | | | | | | | | | Giammalva | 6 | 6 | 1 | 6 | | | | | |
| | Giammalva | 6 | 6 | 6 | | | | Giammalva | 6 | 6 | 6 | | | | | | | | | | | | |
| | Merlo | 1 | 4 | 1 | | | | Wilson | 4 | 4 | 3 | | | | | | | | | | | | |
| | Wilson | 6 | 6 | 6 | | | | | | | | | | | | | | | Giammalva | 6 | 6 | 2 | 6 |
| | Ryland | 1 | 3 | 3 | | | | | | | | | | | | | | | Schwartz | 3 | 2 | 6 | 4 |
| | Perry | 6 | 6 | 6 | | | | Perry | 6 | 6 | 6 | | | | | | | | | | | | |
| | Freedman | 3 | 2 | 5 | | | | Harum | 2 | 4 | 4 | | | | | | | | | | | | |
| | Harum | 6 | 6 | 7 | | | | | | | | | | Perry | 3 | 5 | 6 | | | | | | |
| | Bunis | 2 | 2 | 4 | | | | | | | | | | Schwartz | 6 | 7 | 8 | | | | | | |
| | Schwartz | 6 | 6 | 6 | | | | Schwartz | 1 | 6 | 8 | 6 | | | | | | | | | | | |
| 7 | Shea | 4 | 6 | 6 | 5 | 2 | | Golden | 6 | 3 | 6 | 3 | | | | | | | | | | | |
| | Golden | 6 | 3 | 3 | 7 | 6 | | | | | | | | | | | | | | | | | |

#### Section 3

| 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 | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | Hajjar | 1 | 1 | 3 | | | | | | | | | | | | | | | | | | | | |
| 8 | Hartwig | 6 | 6 | 6 | | | 8 | Hartwig | 7 | 6 | 2 | 15 | | | | | | | | | | | | |
| | Kerdasha | 2 | 7 | 4 | | | | Stewart | 5 | 4 | 6 | 13 | | | | | | | | | | | | |
| | Stewart | 6 | 9 | 6 | | | | | | | | | 8 | Hartwig | 6 | 6 | 6 | | | | | | | |
| | Steele Jr. | 6 | 1 | 4 | 6 | 2 | | | | | | | | Geller | 2 | 3 | 3 | | | | | | | |
| | Geller | 0 | 6 | 6 | 4 | 6 | | Geller | 7 | 6 | 6 | 6 | | | | | | | | | | | | |
| | Garcia | 6 | 1 | 1 | | | | Gori | 5 | 2 | 8 | 4 | | | | | | | | | | | | |
| | Gori | 8 | 6 | 6 | | | | | | | | | | | | | | | | 8 | Hartwig | 4 | 2 | 2 |
| | Demas | 4 | 9 | 0 | | | | | | | | | | | | | | | | 15 | Flam | 6 | 6 | 6 |
| | Brown | 6 | 11 | 6 | | | | Brown | 6 | 6 | 3 | 6 | | | | | | | | | | | | |
| | Neely | 3 | 1 | 3 | | | | Mulloy | 3 | 4 | 6 | 4 | | | | | | | | | | | | |
| | Mulloy | 6 | 6 | 6 | | | | | | | | | | Brown | 3 | 6 | 7 | 9 | 7 | | | | | |
| | Najar | 6 | 2 | 2 | 2 | | | | | | | | 15 | Flam | 6 | 3 | 5 | 11 | 9 | | | | | |
| | Davis | 4 | 6 | 6 | 6 | | | Davis | 0 | 1 | 2 | | | | | | | | | | | | | |
| | Baumgardner | 0 | 6 | 6 | | | 15 | Flam | 6 | 6 | 6 | | | | | | | | | | | | | |
| 15 | Flam | 6 | 8 | 8 | | | | | | | | | | | | | | | | | | | | |

#### 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 | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | Radford | 1 | 4 | 2 | | | | | | | | | | | | | | | | | | | |
| 12 | Morea | 6 | 6 | 6 | | | 12 | Morea | 6 | 6 | 6 | | | | | | | | | | | | |
| | Brown | 6 | 3 | 2 | 2 | | | Andrews | 4 | 2 | 3 | | | | | | | | | | | | |
| | Andrews | 2 | 6 | 6 | 6 | | | | | | | | 12 | Morea | 1 | 7 | 13 | 6 | | | | | |
| | Tully | 4 | 3 | 1 | | | | | | | | | | Cooper | 6 | 5 | 11 | 3 | | | | | |
| | Dorfman | 6 | 6 | 6 | | | | Dorfman | 2 | 6 | 3 | 4 | | | | | | | | | | | |
| | Englander | 1 | 2 | 4 | | | | Cooper | 6 | 3 | 6 | 6 | | | | | | | | | | | |
| | Cooper | 6 | 6 | 6 | | | | | | | | | | | | | | | 12 | Morea | 3 | 1 | 3 |
| | Hollander | 9 | 6 | 7 | 6 | 1 | | | | | | | | | | | | | 1 | Trabert | 6 | 6 | 6 |
| | Ball | 11 | 4 | 5 | 8 | 6 | | Ball | 0 | 0 | 1 | | | | | | | | | | | | |
| | Vincent | 0 | 0 | 3 | | | | Morris | 6 | 6 | 6 | | | | | | | | | | | | |
| | Morris | 6 | 6 | 6 | | | | | | | | | | Morris | 4 | 4 | 1 | | | | | | |
| | Drobac | 3 | 6 | 2 | | | | | | | | | 1 | Trabert | 6 | 6 | 6 | | | | | | |
| | Miyagi | 6 | 8 | 6 | | | | Miyagi | 4 | 1 | 1 | | | | | | | | | | | | |
| | Becker | 0 | 4 | 1 | | | 1 | Trabert | 6 | 6 | 6 | | | | | | | | | | | | |
| 1 | Trabert | 6 | 6 | 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 | Third round | Third round | Third round | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | Dell | 4 | 4 | 4 | | | | | | | | | | | | | | | | | |
| 2 | Rosewall | 6 | 6 | 6 | | | 2 | Rosewall | 7 | 6 | 6 | | | | | | | | | | |
| | Holmberg | 6 | 8 | 6 | 6 | 3 | | Willner | 5 | 3 | 2 | | | | | | | | | | |
| | Willner | 4 | 6 | 8 | 8 | 6 | | | | | | 2 | Rosewall | 6 | 8 | 6 | | | | | |
| | Dalrymple | 6 | 3 | 1 | 3 | | | | | | | | Harum | 2 | 6 | 3 | | | | | |
| | Harum | 4 | 6 | 6 | 6 | | | Harum | 6 | 15 | 6 | | | | | | | | | | |
| | Powless | 6 | 8 | 4 | 4 | | | Cranis | 1 | 13 | 3 | | | | | | | | | | |
| | Cranis | 8 | 6 | 6 | 6 | | | | | | | | | | | | 2 | Rosewall | 6 | 6 | 6 |
| | Garcia | 6 | 2 | 3 | | | | | | | | | | | | | 9 | Moylan | 2 | 2 | 3 |
| | Boys | 8 | 6 | 6 | | | | Boys | 1 | 2 | 1 | | | | | | | | | | |
| | Rochon | 6 | 5 | 6 | 6 | 6 | | Quay | 6 | 6 | 6 | | | | | | | | | | |
| | Quay | 1 | 7 | 3 | 8 | 8 | | | | | | | Quay | 3 | 6 | 5 | | | | | |
| | Walraven | 6 | 5 | 1 | 2 | | | | | | | 9 | Moylan | 6 | 8 | 7 | | | | | |
| | Longshore | 4 | 7 | 6 | 6 | | | Longshore | 1 | 1 | 7 | | | | | | | | | | |
| | Grant | 1 | 7 | 1 | | | 9 | Moylan | 6 | 6 | 9 | | | | | | | | | | |
| 9 | Moylan | 6 | 9 | 6 | | | | | | | | | | | | | | | | | |

#### Section 6

| 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 | Third round | Third round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round | Fourth round |
| | Moody | 4 | 4 | 3 | | | | | | | | | | | | | | | | | | | | | |
| 10 | Pietrangeli | 6 | 6 | 6 | | | 10 | Pietrangeli | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Stuckert | 3 | 6 | 2 | | | | Green | 1 | 4 | 4 | | | | | | | | | | | | | | |
| | Green | 6 | 8 | 6 | | | | | | | | | 10 | Pietrangeli | 13 | 6 | 4 | 4 | 5 | | | | | | |
| | Quillian | 5 | 8 | 3 | 1 | | | | | | | | | Reed | 11 | 4 | 6 | 6 | 7 | | | | | | |
| | Reed | 7 | 6 | 6 | 6 | | | Reed | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Thompson | 10 | 6 | 4 | | | | Cohen | 3 | 4 | 2 | | | | | | | | | | | | | | |
| | Cohen | 12 | 8 | 6 | | | | | | | | | | | | | | | | | Reed | 3 | 4 | 6 | 4 |
| | Cullen | 4 | 4 | 7 | 3 | | | | | | | | | | | | | | | 5 | Richardson | 6 | 6 | 3 | 6 |
| | Freishtat | 6 | 6 | 5 | 6 | | | Freishtat | 7 | 5 | 6 | 2 | | | | | | | | | | | | | |
| | Sobieraj | 3 | 3 | 6 | 8 | | | Coss | 9 | 7 | 2 | 6 | | | | | | | | | | | | | |
| | Coss | 6 | 6 | 1 | 10 | | | | | | | | | Coss | 3 | 2 | 2 | | | | | | | | |
| | Dailey | 5 | 5 | 5 | | | | | | | | | 5 | Richardson | 6 | 6 | 6 | | | | | | | | |
| | Barker | 7 | 7 | 7 | | | | Barker | 3 | 1 | 1 | | | | | | | | | | | | | | |
| | Kauder | 2 | 6 | 11 | 8 | 0 | 5 | Richardson | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 5 | Richardson | 6 | 3 | 9 | 10 | 6 | | | | | | | | | | | | | | | | | | | |

#### Section 7

| 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 |
| | Pierce | 0 | 0 | 5 | | | | | | | | | | | | | | | | | | | | |
| 6 | Nielsen | 6 | 6 | 7 | | 6 | Nielsen | 6 | 6 | 4 | 1 | 10 | | | | | | | | | | | | |
| | Martin | 3 | 2 | 12 | 4 | | Olmedo | 1 | 2 | 6 | 6 | 8 | | | | | | | | | | | | |
| | Olmedo | 6 | 6 | 10 | 6 | | | | | | | | 6 | Nielsen | 3 | 6 | 6 | 4 | 6 | | | | | |
| | Walraven | 6 | 2 | 3 | 3 | | | | | | | | | Burrows | 6 | 3 | 2 | 6 | 8 | | | | | |
| | Platt | 4 | 6 | 6 | 6 | | Platt | 3 | 4 | 4 | | | | | | | | | | | | | | |
| | Clothier | 3 | 1 | 2 | | | Burrows | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Burrows | 6 | 6 | 6 | | | | | | | | | | | | | | | | | Burrows | 0 | 1 | 2 |
| | Hammersley | 5 | 3 | 7 | 3 | | | | | | | | | | | | | | | 13 | Bartzen | 6 | 6 | 6 |
| | Deyro | 7 | 6 | 5 | 6 | | Deyro | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Chatrier | 0 | 4 | 6 | 0 | | Gaines | 2 | 4 | 4 | | | | | | | | | | | | | | |
| | Gaines | 6 | 6 | 4 | 6 | | | | | | | | | Deyro | 4 | 1 | 4 | | | | | | | |
| | Hettleman | 1 | 6 | 5 | 4 | | | | | | | | 13 | Bartzen | 6 | 6 | 6 | | | | | | | |
| | Agüero | 6 | 3 | 7 | 6 | | Agüero | 2 | 1 | 1 | | | | | | | | | | | | | | |
| | Henry | 1 | 3 | 1 | | 13 | Bartzen | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 13 | Bartzen | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | | |

#### Section 8

| 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 |
| | Maccracken | 3 | 3 | 6 | 2 | | | | | | | | | | | | | | | | |
| 14 | Fraser | 6 | 6 | 3 | 6 | 14 | Fraser | 6 | 7 | 6 | 6 | | | | | | | | | | |
| | Wickel | 6 | 1 | 7 | 0 | | Falkenburg | 3 | 9 | 4 | 4 | | | | | | | | | | |
| | Falkenburg | 8 | 6 | 5 | 6 | | | | | | | 14 | Fraser | 6 | 6 | 6 | | | | | |
| | Jose | 1 | 4 | 4 | | | | | | | | | MacKay | 4 | 4 | 2 | | | | | |
| | Raskind | 6 | 6 | 6 | | | Raskind | 1 | 4 | 8 | 4 | | | | | | | | | | |
| | Sorlien | 4 | 5 | 7 | | | MacKay | 6 | 6 | 6 | 6 | | | | | | | | | | |
| | MacKay | 6 | 7 | 9 | | | | | | | | | | | | | 14 | Fraser | 5 | 4 | 2 |
| | Freeman | 1 | 2 | 0 | | | | | | | | | | | | | 3 | Seixas | 7 | 6 | 6 |
| | Mayne | 6 | 6 | 6 | | | Mayne | 6 | 6 | 6 | | | | | | | | | | | |
| | Thieullent | 0 | 3 | 1 | | | Moss | 4 | 3 | 2 | | | | | | | | | | | |
| | Moss | 6 | 6 | 6 | | | | | | | | | Mayne | 2 | 3 | 3 | | | | | |
| | | | | | | | | | | | | 3 | Seixas | 6 | 6 | 6 | | | | | |
| | | | | | | | Barrett | 2 | 2 | 4 | | | | | | | | | | | |
| | | | | | | 3 | Seixas | 6 | 6 | 6 | | | | | | | | | | | |