# 1972 Pacific Southwest Open – Singles

The 1972 Pacific Southwest Open – Singles was an event of the 1972 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 18 and September 24, 1970. 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. Pancho Gonzales was the defending Pacific Southwest Open champion but was defeated in the quarterfinals. Third-seeded Stan Smith won the title by defeating 13th-seeded Roscoe Tanner in the final, 6–4, 6–4.

## Seeds

    01. Ilie Năstase (third round)
    02. Arthur Ashe (third round)
    03. Stan Smith (champion)
    04. Ken Rosewall (quarterfinals)
    05. Manuel Orantes (quarterfinals)
    06. Marty Riessen (third round)
    07. Bob Lutz (first round)
    08. Tom Okker (semifinals)
    09. Fred Stolle (first round)
    10. Charlie Pasarell (first round)
    11. Mark Cox (second round)
    12. Tom Gorman (semifinals)
    13. Roscoe Tanner (final)
    14. Bob Hewitt (third round)
    15. Jimmy Connors (third round)
    16. Roger Taylor (second round)
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 | Final |
| 13 | Roscoe Tanner | 7 | 6 | | | | | | | | | | |
| 5 | Manuel Orantes | 6 | 4 | | | | | | | | | | |
| 5 | Manuel Orantes | 6 | 4 | | 13 | Roscoe Tanner | 6 | 7 | | | | | |
| | | | | | 8 | Tom Okker | 4 | 6 | | | | | |
| 4 | Ken Rosewall | 7 | 2 | 3 | 8 | Tom Okker | 4 | 6 | | | | | |
| 8 | Tom Okker | 5 | 6 | 6 | | | | | | | | | |
| 8 | Tom Okker | 5 | 6 | 6 | | | | | | 13 | Roscoe Tanner | 4 | 4 |
| | | | | | | | | | | 3 | Stan Smith | 6 | 6 |
| | Raymond Moore | 6 | 6 | 3 | | | | | | | | | | 3 | Stan Smith | 6 | 6 |
| 3 | Stan Smith | 7 | 4 | 6 | | | | | | | | | |
| 3 | Stan Smith | 7 | 4 | 6 | 3 | Stan Smith | 6 | 3 | 6 | | | | |
| | | | | | 12 | Tom Gorman | 4 | 6 | 3 | | | | |
| 12 | Tom Gorman | 6 | 4 | 6 | 12 | Tom Gorman | 4 | 6 | 3 | | | | |
| | Bob Carmichael | 4 | 6 | 3 | | | | | | | | | |

### 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 | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Ilie Năstase | 6 | 7 | | | | | | | | | | | | | | | |
| | John Cooper | 2 | 5 | | 1 | Ilie Năstase | 7 | 6 | | | | | | | | | | |
| | Pierre Barthès | 6 | 1 | | | Tom Edlefsen | 6 | 3 | | | | | | | | | | |
| | Tom Edlefsen | 7 | 6 | | | | | | | 1 | Ilie Năstase | 7 | 4 | 2 | | | | |
| 13 | Roscoe Tanner | 6 | 7 | 6 | | | | | | 13 | Roscoe Tanner | 5 | 6 | 6 | | | | |
| | Ian Fletcher | 7 | 6 | 3 | 13 | Roscoe Tanner | 7 | 7 | | | | | | | | | | |
| | Pancho Gonzales | 6 | 7 | | | Pancho Gonzales | 6 | 6 | | | | | | | | | | |
| | Ove Bengtson | 4 | 6 | | | | | | | | | | | | 13 | Roscoe Tanner | 7 | 6 |
| 5 | Manuel Orantes | 6 | 6 | | | | | | | | | | | | 5 | Manuel Orantes | 6 | 4 |
| | Bob Maud | 4 | 2 | | 5 | Manuel Orantes | 6 | 6 | 7 | | | | | | | | | |
| | Frank Froehling | 5 | 2 | | | Patrice Dominguez | 7 | 4 | 5 | | | | | | | | | |
| | Patrice Dominguez | 7 | 6 | | | | | | | 5 | Manuel Orantes | 6 | 6 | 7 | | | | |
| 10 | Charlie Pasarell | 6 | 3 | 6 | | | | | | | John Alexander | 4 | 7 | 6 | | | | |
| | Jim McManus | 4 | 6 | 7 | | Jim McManus | 6 | 3 | | | | | | | | | | |
| | John Alexander | 6 | 6 | | | John Alexander | 7 | 6 | | | | | | | | | | |
| | Alex Olmedo | 3 | 4 | | | | | | | | | | | | | | | |

#### Section 2

| First Round | 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 | Quarterfinals | Quarterfinals |
| 4 | Ken Rosewall | 6 | 6 | | | | | | | | | | | | | | |
| | Pat Cramer | 2 | 2 | | 4 | Ken Rosewall | 6 | 6 | | | | | | | | | |
| | Haroon Rahim | 6 | 6 | 6 | | Haroon Rahim | 3 | 4 | | | | | | | | | |
| | Roy Barth | 4 | 7 | 3 | | | | | 4 | Ken Rosewall | 6 | 6 | | | | | |
| 15 | Jimmy Connors | 6 | 6 | | | | | | 15 | Jimmy Connors | 3 | 2 | | | | | |
| | Paul Gerken | 4 | 2 | | 15 | Jimmy Connors | 6 | 6 | | | | | | | | | |
| | Ismail El Shafei | 6 | 6 | | | Ismail El Shafei | 2 | 4 | | | | | | | | | |
| | Jeff Austin | 4 | 4 | | | | | | | | | | 4 | Ken Rosewall | 7 | 2 | 3 |
| 8 | Tom Okker | 6 | 6 | | | | | | | | | | 8 | Tom Okker | 5 | 6 | 6 |
| | Anand Amritraj | 2 | 0 | | 8 | Tom Okker | 6 | 6 | | | | | | | | | |
| | Colin Dibley | 4 | 2 | | | Mike Estep | 1 | 3 | | | | | | | | | |
| | Mike Estep | 6 | 6 | | | | | | 8 | Tom Okker | 6 | 6 | | | | | |
| 11 | Mark Cox | 7 | 6 | | | | | | | Jeff Borowiak | 3 | 4 | | | | | |
| | Wanaro N'Godrella | 6 | 2 | | 11 | Mark Cox | 4 | 4 | | | | | | | | | |
| | Jeff Borowiak | 6 | 5 | 6 | | Jeff Borowiak | 6 | 6 | | | | | | | | | |
| | Ross Case | 3 | 7 | 3 | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| 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 | Quarterfinals |
| | William Brown | 2$^r$ | | | | | | | | | | | | | | | | | |
| | Jaime Fillol | 4 | | | | Jaime Fillol | 7 | 6 | | | | | | | | | | | |
| | Milan Holeček | 6 | 6 | | | Milan Holeček | 6 | 3 | | | | | | | | | | | |
| 9 | Fred Stolle | 1 | 3 | | | | | | | | Jaime Fillol | 3 | 7 | 6 | | | | | |
| | Raymond Moore | 6 | 7 | | | | | | | | Raymond Moore | 6 | 6 | 7 | | | | | |
| | Onny Parun | 1 | 5 | | | Raymond Moore | 6 | 6 | | | | | | | | | | | |
| | Raúl Ramírez | 7 | 6 | | | Raúl Ramírez | 3 | 4 | | | | | | | | | | | |
| 7 | Bob Lutz | 6 | 3 | | | | | | | | | | | | | Raymond Moore | 6 | 6 | 3 |
| | Allan Stone | 4 | 3 | | | | | | | | | | | | 3 | Stan Smith | 7 | 4 | 6 |
| | Nikola Pilić | 6 | 6 | | | Nikola Pilić | 6 | 0 | | | | | | | | | | | |
| | Brian Gottfried | 7 | 3 | 4 | 14 | Bob Hewitt | 7 | 6 | | | | | | | | | | | |
| 14 | Bob Hewitt | 5 | 6 | 6 | | | | | | 14 | Bob Hewitt | 3 | 6 | 3 | | | | | |
| | Brian Fairlie | 7 | 6 | | | | | | | 3 | Stan Smith | 6 | 4 | 6 | | | | | |
| | Gerald Battrick | 6 | 2 | | | Brian Fairlie | 7 | 3 | 3 | | | | | | | | | | |
| | Vijay Amritraj | 2 | 6 | | 3 | Stan Smith | 6 | 6 | 6 | | | | | | | | | | |
| 3 | Stan Smith | 6 | 7 | | | | | | | | | | | | | | | | |

#### Section 4

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | Dick Stockton | 4 | | | | | | | | | | | | | | | | |
| | Ray Ruffels | 2$^r$ | | | | Dick Stockton | 3 | 4 | | | | | | | | | | |
| | Rick Fisher | 3 | 5 | | 12 | Tom Gorman | 6 | 6 | | | | | | | | | | |
| 12 | Tom Gorman | 6 | 7 | | | | | | 12 | Tom Gorman | 7 | 6 | 6 | | | | | |
| | Jean-Baptiste Chanfreau | 7 | 6 | 1 | | | | | 6 | Marty Riessen | 5 | 7 | 2 | | | | | |
| | Frew McMillan | 6 | 7 | 6 | | Frew McMillan | 2 | 4 | | | | | | | | | | |
| | Geoff Masters | 4 | 2 | | 6 | Marty Riessen | 6 | 6 | | | | | | | | | | |
| 6 | Marty Riessen | 6 | 6 | | | | | | | | | | | 12 | Tom Gorman | 6 | 4 | 6 |
| | Erik van Dillen | 6 | 6 | 3 | | | | | | | | | | | Bob Carmichael | 4 | 6 | 3 |
| | Bob Carmichael | 7 | 3 | 6 | | Bob Carmichael | 7 | 6 | | | | | | | | | | |
| | Charles Owens | 6 | 3 | 1 | 16 | Roger Taylor | 5 | 2 | | | | | | | | | | |
| 16 | Roger Taylor | 1 | 6 | 6 | | | | | | Bob Carmichael | 6 | 4 | 6 | | | | | |
| | Graham Stilwell | 3 | 1 | | | | | | 2 | Arthur Ashe | 3 | 6 | 3 | | | | | |
| | Andrew Pattison | 6 | 6 | | | Andrew Pattison | 4 | 4 | | | | | | | | | | |
| | Eddie Dibbs | 7 | 3 | 5 | 2 | Arthur Ashe | 6 | 6 | | | | | | | | | | |
| 2 | Arthur Ashe | 6 | 6 | 7 | | | | | | | | | | | | | | |