# 1973 Pacific Southwest Open – Singles

The 1973 Pacific Southwest Open – Men's singles was an event of the 1973 Pacific Southwest Open tennis tournament and was played on outdoor hard courts at the Los Angeles Tennis Center in Los Angeles, California, in the United States, between September 17 and September 23, 1973. The draw comprised 64 players of which 16 were seeded. Eight players qualified via a 64-man qualifying and a 203-man pre-qualifying event. Stan Smith was the defending Pacific Southwest Open champion but was defeated in the quarterfinals. Unseeded Jimmy Connors won the title by defeating unseeded Tom Okker in the final, 7–5, 7–6$^{(11–9)}$.

## Seeds

    01. Stan Smith (quarterfinals)
    02. Ilie Năstase (semifinals)
Click on the seed number of a player to go to their draw section.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| 1 | Stan Smith | 6 | 4 | 6 | | | | | | | | |
| | Jimmy Connors | 3 | 6 | 7 | | | | | | | | |
| | Jimmy Connors | 3 | 6 | 7 | | Jimmy Connors | 6 | 6 | | | | |
| | | | | | | Raúl Ramírez | 4 | 2 | | | | |
| | Raúl Ramírez | 7 | 6 | | | Raúl Ramírez | 4 | 2 | | | | |
| | Charlie Pasarell | 6 | 2 | | | | | | | | | |
| | Charlie Pasarell | 6 | 2 | | | | | | | Jimmy Connors | 7 | 7 |
| | | | | | | | | | | Tom Okker | 5 | 6 |
| | Tom Okker | 6 | 6 | | | | | | | | | | Tom Okker | 5 | 6 |
| | Ken Rosewall | 2 | 3 | | | | | | | | | |
| | Ken Rosewall | 2 | 3 | | | Tom Okker | 2 | 7 | 6 | | | |
| | | | | | 2 | Ilie Năstase | 6 | 5 | 2 | | | |
| | Raymond Moore | 3 | 4 | | 2 | Ilie Năstase | 6 | 5 | 2 | | | |
| 2 | Ilie Năstase | 6 | 6 | | | | | | | | | |

### Top half
#### Section 1

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Stan Smith | 6 | 6 | | | | | | | | | | | | | | | |
| | Mike Machette | 4 | 4 | | 1 | Stan Smith | 5 | 6 | 6 | | | | | | | | | |
| | Roy Barth | 7 | 4 | 6 | | Dick R. Bohrnstedt | 7 | 2 | 3 | | | | | | | | | |
| | Dick R. Bohrnstedt | 6 | 6 | 7 | | | | | | 1 | Stan Smith | 6 | 6 | | | | | |
| | Paul Gerken | 6 | 4 | 6 | | | | | | | Paul Gerken | 3 | 3 | | | | | |
| | Tom Leonard | 4 | 6 | 4 | | Paul Gerken | 7 | 6 | 7 | | | | | | | | | |
| | Patrick Proisy | 3 | 1 | | | Jaime Fillol | 5 | 7 | 6 | | | | | | | | | |
| | Jaime Fillol | 6 | 6 | | | | | | | | | | | 1 | Stan Smith | 6 | 4 | 6 |
| | Jimmy Connors | 6 | 7 | | | | | | | | | | | | Jimmy Connors | 3 | 6 | 7 |
| | Jim McManus | 2 | 6 | | | Jimmy Connors | 7 | 6 | | | | | | | | | | |
| | Pancho Gonzales | 6 | 6 | | | Pancho Gonzales | 6 | 3 | | | | | | | | | | |
| | Tom Edlefsen | 4 | 2 | | | | | | | | Jimmy Connors | 6 | 6 | | | | | |
| | Björn Borg | 6 | 6 | 4 | | | | | | | Paul Kronk | 1 | 2 | | | | | |
| | Paul Kronk | 7 | 4 | 6 | | Paul Kronk | 3 | 7 | 6 | | | | | | | | | |
| | Erik van Dillen | 6 | 6 | | | Erik van Dillen | 6 | 6 | 4 | | | | | | | | | |
| | Robert McKinley | 3 | 2 | | | | | | | | | | | | | | | |

#### Section 2

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals |
| Arthur Ashe | 6 | 6 | | | | | | | | | | | | |
| Birger Andersson | 1 | 2 | | Arthur Ashe | 7 | 6 | | | | | | | | |
| Bob Carmichael | 3 | 3 | | Tenny Svensson | 5 | 3 | | | | | | | | |
| Tenny Svensson | 6 | 6 | | | | | | Arthur Ashe | 4 | 6 | 3 | | | |
| Roscoe Tanner | 7 | 7 | | | | | | Raúl Ramírez | 6 | 4 | 6 | | | |
| Jeff Austin | 6 | 6 | | Roscoe Tanner | 3 | 6 | | | | | | | | |
| Raúl Ramírez | 6 | 6 | | Raúl Ramírez | 6 | 7 | | | | | | | | |
| Fred McNair | 1 | 2 | | | | | | | | | | Raúl Ramírez | 7 | 6 |
| Marty Riessen | 6 | 7 | | | | | | | | | | Charlie Pasarell | 6 | 2 |
| Dennis Ralston | 2 | 5 | | Marty Riessen | 4 | 7 | 6 | | | | | | | |
| Phil Dent | 6 | 6 | | Phil Dent | 6 | 6 | 2 | | | | | | | |
| Kim Warwick | 2 | 2 | | | | | | Marty Riessen | 6 | 6 | | | | |
| Lito Álvarez | 4 | 6 | | | | | | Charlie Pasarell | 7 | 7 | | | | |
| Robert Kreiss | 6 | 7 | | Robert Kreiss | 6 | 2 | | | | | | | | |
| Charlie Pasarell | 6 | 6 | 6 | Charlie Pasarell | 7 | 6 | | | | | | | | |
| John Lloyd | 2 | 7 | 2 | | | | | | | | | | | |

### Bottom half
#### Section 3

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals |
| Alex Olmedo | 1 | 3 | | | | | | | | | | |
| Jiří Hřebec | 6 | 6 | | Jiří Hřebec | 4 | 0 | | | | | | |
| John Andrews | 6 | 3 | 3 | Roy Emerson | 6 | 6 | | | | | | |
| Roy Emerson | 3 | 6 | 6 | | | | Roy Emerson | 4 | 3 | | | |
| Kjell Johansson | 2 | 2 | | | | | Tom Okker | 6 | 6 | | | |
| Onny Parun | 6 | 6 | | Onny Parun | 6 | 3 | | | | | | |
| Steve Tidball | 2 | 3 | | Tom Okker | 7 | 6 | | | | | | |
| Tom Okker | 6 | 6 | | | | | | | | Tom Okker | 6 | 6 |
| Vladimír Zedník | 3 | 6 | | | | | | | | Ken Rosewall | 2 | 3 |
| Frew McMillan | 6 | 7 | | Frew McMillan | 3 | 4 | | | | | | |
| Jeff Borowiak | 6 | 6 | | Jeff Borowiak | 6 | 6 | | | | | | |
| Brian Gottfried | 3 | 3 | | | | | Jeff Borowiak | 6 | 2 | | | |
| Brian Teacher | 4 | 4 | | | | | Ken Rosewall | 7 | 6 | | | |
| Sandy Mayer | 6 | 6 | | Sandy Mayer | 5 | 1 | | | | | | |
| Jean-Baptiste Chanfreau | 3 | 4 | | Ken Rosewall | 7 | 6 | | | | | | |
| Ken Rosewall | 6 | 6 | | | | | | | | | | |

#### Section 4

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | Barry Phillips-Moore | 6 | 7 | | | | | | | | | | | | | | | |
| | Ove Bengtson | 2 | 6 | | | Barry Phillips-Moore | 4 | 3 | | | | | | | | | | |
| | Jeff Simpson | 5 | 2 | | | Cliff Richey | 6 | 6 | | | | | | | | | | |
| | Cliff Richey | 7 | 6 | | | | | | | | Cliff Richey | 6 | 6 | 3 | | | | |
| | Haroon Rahim | 7 | 3 | 4 | | | | | | | Raymond Moore | 2 | 7 | 6 | | | | |
| | Raymond Moore | 6 | 6 | 6 | | Raymond Moore | 6 | 3 | 6 | | | | | | | | | |
| | Pat Cramer | 7 | 6 | | | Pat Cramer | 3 | 6 | 4 | | | | | | | | | |
| | Jan Kodeš | 6 | 3 | | | | | | | | | | | | | Raymond Moore | 3 | 4 |
| | John Bartlett | 6 | 4 | | | | | | | | | | | | 2 | Ilie Năstase | 6 | 6 |
| | Mike Estep | 7 | 6 | | | Mike Estep | 5 | 4 | | | | | | | | | | |
| | Billy Martin | 0 | 3 | | | John Alexander | 7 | 6 | | | | | | | | | | |
| | John Alexander | 6 | 6 | | | | | | | | John Alexander | 3 | 2 | | | | | |
| | Milan Holeček | 7 | 6 | | | | | | | 2 | Ilie Năstase | 6 | 6 | | | | | |
| | Georges Goven | 6 | 2 | | | Milan Holeček | 3 | 6 | 2 | | | | | | | | | |
| | Tito Vázquez | 3 | 4 | | 2 | Ilie Năstase | 6 | 2 | 6 | | | | | | | | | |
| 2 | Ilie Năstase | 6 | 6 | | | | | | | | | | | | | | | |