1950 U.S. National Championships – Men's singles
# 1950 U.S. National Championships – Men's singles

Arthur Larsen defeated Herbie Flam 6–3, 4–6, 5–7, 6–4, 6–3 in the final to win the men's singles tennis title at the 1950 U.S. National Championships.

## Seeds

The tournament used two lists of ten players for seeding the men's singles event; one for U.S. players and one for foreign players. Arthur Larsen 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 | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 11 | Arthur Larsen | 6 | 2 | 6 | 6 | | | | | | | | | | | | | | |
| 7 | Tom Brown | 3 | 6 | 1 | 4 | | | | | | | | | | | | | | |
| 7 | Tom Brown | 3 | 6 | 1 | 4 | 11 | Arthur Larsen | 6 | 10 | 7 | 6 | | | | | | | | |
| | | | | | | 15 | Dick Savitt | 2 | 8 | 9 | 2 | | | | | | | | |
| 15 | Dick Savitt | 8 | 6 | 2 | 6 | 15 | Dick Savitt | 2 | 8 | 9 | 2 | | | | | | | | |
| | Sidney Schwartz | 6 | 2 | 6 | 3 | | | | | | | | | | | | | | |
| | Sidney Schwartz | 6 | 2 | 6 | 3 | | | | | | | | 11 | Arthur Larsen | 6 | 4 | 5 | 6 | 6 |
| | | | | | | | | | | | | | 3 | Herbie Flam | 3 | 6 | 7 | 4 | 3 |
| 13 | Earl Cochell | 3 | 5 | 2 | | | | | | | | | | | | | | | | 3 | Herbie Flam | 3 | 6 | 7 | 4 | 3 |
| 5 | Gardnar Mulloy | 6 | 7 | 6 | | | | | | | | | | | | | | | |
| 5 | Gardnar Mulloy | 6 | 7 | 6 | | 5 | Gardnar Mulloy | 6 | 2 | 11 | 1 | 3 | | | | | | | |
| | | | | | | 3 | Herbie Flam | 2 | 6 | 9 | 6 | 6 | | | | | | | |
| 17 | Bill Talbert | 7 | 4 | 3 | | 3 | Herbie Flam | 2 | 6 | 9 | 6 | 6 | | | | | | | |
| 3 | Herbie Flam | 9 | 6 | 6 | | | | | | | | | | | | | | | |

### 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 | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | Beisser | 7 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | |
| 4 | Drobný | 5 | 9 | 11 | 6 | | 4 | Drobný | 9 | 6 | 6 | | | | | | | | | | | | | | |
| | Schreiber | 12 | 6 | 1 | 5 | 2 | | Hopman | 7 | 3 | 1 | | | | | | | | | | | | | | |
| | Hopman | 10 | 1 | 6 | 7 | 6 | | | | | | | | 4 | Drobný | 3 | 6 | 2 | 5 | | | | | | |
| | Reed | 4 | 6 | 4 | 11 | | | | | | | | | 11 | Larsen | 6 | 2 | 6 | 7 | | | | | | |
| | Davidson | 6 | 4 | 6 | 13 | | | Davidson | 4 | 4 | 6 | 4 | | | | | | | | | | | | | |
| | Horn | 3 | 4 | 3 | | | 11 | Larsen | 6 | 6 | 4 | 6 | | | | | | | | | | | | | |
| 11 | Larsen | 6 | 6 | 6 | | | | | | | | | | | | | | | | 11 | Larsen | 3 | 6 | 1 | 4 |
| | Fox | 2 | 2 | 0 | | | | | | | | | | | | | | | | 7 | Brown | 6 | 2 | 6 | 6 |
| 14 | Worthington | 6 | 6 | 6 | | | 14 | Worthington | 3 | 3 | 6 | 10 | 7 | | | | | | | | | | | | |
| | Brose | 2 | 4 | 1 | | | | Rochon | 6 | 6 | 0 | 8 | 5 | | | | | | | | | | | | |
| | Rochon | 6 | 6 | 6 | | | | | | | | | | 14 | Worthington | 2 | 6 | 1 | 5 | | | | | | |
| | Abdesselam | 4 | 4 | 7 | | | | | | | | | | 7 | Brown | 6 | 1 | 6 | 7 | | | | | | |
| | Golden | 6 | 6 | 9 | | | | Golden | 3 | 3 | 2 | | | | | | | | | | | | | | |
| | Tuero | 6 | 4 | 1 | 4 | | 7 | Brown | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 7 | Brown | 1 | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | | |

**Section 2**

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | Trabert | 4 | 0 | 5 | | | | | | | | | | | | | | | | | | | | |
| 6 | Bromwich | 6 | 6 | 7 | | 6 | Bromwich | 6 | 6 | 1 | 6 | | | | | | | | | | | | | |
| | Macken | 2 | 5 | 1 | | | Moylan | 3 | 4 | 6 | 4 | | | | | | | | | | | | | |
| | Moylan | 6 | 7 | 6 | | | | | | | | 6 | Bromwich | 6 | 0 | 6 | 2 | 3 | | | | | | |
| | Richards | 7 | 3 | 3 | 5 | | | | | | | 15 | Savitt | 3 | 6 | 4 | 6 | 6 | | | | | | |
| | Rose | 5 | 6 | 6 | 7 | | Rose | 4 | 2 | 4 | | | | | | | | | | | | | | |
| | Saul | w/o | | | | 15 | Savitt | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 15 | Savitt | | | | | | | | | | | | | | | | | | 15 | Savitt | 8 | 6 | 2 | 6 |
| | Main | 7 | 3 | 5 | 4 | | | | | | | | | | | | | | | Schwartz | 6 | 2 | 6 | 3 |
| 12 | Ampon | 5 | 6 | 7 | 6 | 12 | Ampon | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Eliaeson | 2 | 2 | 4 | | | Match | 2 | 4 | 1 | | | | | | | | | | | | | | |
| | Match | 6 | 6 | 6 | | | | | | | | 12 | Ampon | 6 | 2 | 8 | 5 | | | | | | | |
| 20 | Palafox | 2 | 4 | 4 | | | | | | | | | Schwartz | 4 | 6 | 10 | 7 | | | | | | | |
| | Schwartz | 6 | 6 | 6 | | | Schwartz | 6 | 21 | 6 | | | | | | | | | | | | | | |
| 1 | Patty | w/o | | | | | Devoe | 4 | 19 | 3 | | | | | | | | | | | | | | |
| | Devoe | | | | | | | | | | | | | | | | | | | | | | | |

**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 | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | Burrows | 6 | 3 | 5 | 8 | | | | | | | | | | | | | | | | | | | | |
| 2 | Sedgman | 3 | 6 | 7 | 10 | | 2 | Sedgman | 4 | 6 | 7 | 3 | 7 | | | | | | | | | | | | |
| | Brichant | 8 | 3 | 1 | | | | Clark | 6 | 3 | 5 | 6 | 5 | | | | | | | | | | | | |
| | Clark | 10 | 6 | 6 | | | | | | | | | | 2 | Sedgman | 5 | 7 | 6 | 2 | 2 | | | | | |
| | Masterson | 4 | 2 | 5 | | | | | | | | | | 13 | Cochell | 7 | 5 | 1 | 6 | 6 | | | | | |
| | Likas | 6 | 6 | 7 | | | | Likas | 0 | 1 | 2 | | | | | | | | | | | | | | |
| | Fisher | 1 | 3 | 0 | | | 13 | Cochell | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 13 | Cochell | 6 | 6 | 6 | | | | | | | | | | | | | | | | | 13 | Cochell | 3 | 5 | 2 |
| | Gaines | 3 | 3 | 8 | 2 | | | | | | | | | | | | | | | | 5 | Mulloy | 6 | 7 | 6 |
| 10 | Johansson | 6 | 6 | 6 | 6 | | 10 | Johansson | 7 | 4 | 6 | 6 | | | | | | | | | | | | | |
| | Behrens | 3 | 6 | 3 | 3 | | | Richardson | 5 | 6 | 4 | 3 | | | | | | | | | | | | | |
| | Richardson | 6 | 1 | 6 | 6 | | | | | | | | | 10 | Johansson | 4 | 2 | 2 | | | | | | | |
| | Shea | 3 | 6 | 7 | 2 | 1 | | | | | | | | 5 | Mulloy | 6 | 6 | 6 | | | | | | | |
| | Stewart | 6 | 3 | 5 | 6 | 6 | | Stewart | 1 | 2 | 1 | | | | | | | | | | | | | | |
| | Vincent | 4 | 0 | 1 | | | 5 | Mulloy | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 5 | Mulloy | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | | | |

**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 | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | McGregor | 7 | 6 | 4 | 1 | | | | | | | | | | | | | | | | | | | | |
| | McNeill | 9 | 3 | 6 | 6 | | | McNeill | 1 | 6 | 5 | 0 | | | | | | | | | | | | | |
| | Shields | 1 | 6 | 1 | 2 | | 17 | Talbert | 6 | 4 | 7 | 6 | | | | | | | | | | | | | |
| 17 | Talbert | 6 | 3 | 6 | 6 | | | | | | | | | 17 | Talbert | 6 | 2 | 3 | 6 | 6 | | | | | |
| | Martin | 3 | 3 | 2 | | | | | | | | | | 9 | Seixas | 1 | 6 | 6 | 2 | 3 | | | | | |
| | Balbiers | 6 | 6 | 6 | | | | Balbiers | 3 | 2 | 3 | | | | | | | | | | | | | | |
| | Paton | 1 | 0 | 1 | | | 9 | Seixas | 6 | 6 | 6 | | | | | | | | | | | | | | |
| 9 | Seixas | 6 | 6 | 6 | | | | | | | | | | | | | | | | | 17 | Talbert | 7 | 4 | 3 |
| | Ganzenmuller | 0 | 4 | 3 | | | | | | | | | | | | | | | | | 3 | Flam | 9 | 6 | 6 |
| 16 | Mottram | 6 | 6 | 6 | | | 16 | Mottram | 4 | 6 | 3 | 6 | 3 | | | | | | | | | | | | |
| | Ducos De La Haille | 1 | 5 | 7 | 6 | 4 | 19 | Brink | 6 | 4 | 6 | 4 | 6 | | | | | | | | | | | | |
| 19 | Brink | 6 | 7 | 5 | 3 | 6 | | | | | | | | 19 | Brink | 4 | 3 | 3 | | | | | | | |
| | Ball | 6 | 3 | 4 | | | | | | | | | | 3 | Flam | 6 | 6 | 6 | | | | | | | |
| 18 | Washer | 8 | 6 | 6 | | | 18 | Washer | 1 | 4 | 8 | 4 | | | | | | | | | | | | | |
| | Bogley | 6 | 4 | 1 | 4 | | 3 | Flam | 6 | 6 | 6 | 6 | | | | | | | | | | | | | |
| 3 | Flam | 3 | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | | |
