# 1974 U.S. Pro Tennis Championships – Singles

The 1974 U.S. Pro Tennis Championships – Singles was an event of the 1974 U.S. Pro Tennis Championships tennis tournament and was played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States from August 20 through August 26, 1974. The draw comprised 64 players. Jimmy Connors was the defending U.S. Pro Tennis Championships singles champion but did not compete in this edition. Björn Borg won the title by defeating Tom Okker in the final, 7–6$^{(7–3)}$, 6–1, 6–1.

## 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| Tom Okker | 3 | 6 | 6 | | | | | | | | |
| Ismail El Shafei | 6 | 3 | 1 | | | | | | | | |
| Ismail El Shafei | 6 | 3 | 1 | Tom Okker | 6 | 6 | 6 | | | | |
| | | | | Guillermo Vilas | 4 | 3 | 2 | | | | |
| Ilie Năstase | 5 | 6 | 1 | Guillermo Vilas | 4 | 3 | 2 | | | | |
| Guillermo Vilas | 7 | 1 | 6 | | | | | | | | |
| Guillermo Vilas | 7 | 1 | 6 | | | | | Tom Okker | 6 | 1 | 1 |
| | | | | | | | | Björn Borg | 7 | 6 | 6 |
| Marty Riessen | 6 | 6 | 0$^r$ | | | | | | | | | Björn Borg | 7 | 6 | 6 |
| Björn Borg | 4 | 7 | 5 | | | | | | | | |
| Björn Borg | 4 | 7 | 5 | Björn Borg | 7 | 6 | 1 | | | | |
| | | | | Jan Kodeš | 6 | 0 | 6 | | | | |
| Arthur Ashe | 3 | 2 | | Jan Kodeš | 6 | 0 | 6 | | | | |
| Jan Kodeš | 6 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| Tom Okker | 7 | 6 | | | | | | | | | | | | |
| Torben Ulrich | 6 | 4 | | Tom Okker | 6 | 1 | 6 | | | | | | | |
| Jim McManus | 6 | 6 | 2 | Ove Bengtson | 3 | 6 | 2 | | | | | | | |
| Ove Bengtson | 7 | 1 | 6 | | | | | Tom Okker | 7 | 6 | | | | |
| Bailey Brown | 2 | 6 | 0 | | | | | Charlie Pasarell | 6 | 3 | | | | |
| Jairo Velasco Sr. | 6 | 3 | 6 | Jairo Velasco Sr. | 6 | 5 | 2 | | | | | | | |
| Brant Bailey | 2 | 5 | | Charlie Pasarell | 2 | 7 | 6 | | | | | | | |
| Charlie Pasarell | 6 | 7 | | | | | | | | | Tom Okker | 3 | 6 | 6 |
| Manuel Orantes | 7 | 5 | 6 | | | | | | | | Ismail El Shafei | 6 | 3 | 1 |
| Jaime Pinto Bravo | 6 | 7 | 1 | Manuel Orantes | 3 | 6 | 6 | | | | | | | |
| Dean Martin | 1 | 0 | | Erik van Dillen | 6 | 2 | 1 | | | | | | | |
| Erik van Dillen | 6 | 6 | | | | | | Manuel Orantes | | | | | | |
| František Pála | 6 | 6 | | | | | | Ismail El Shafei | w/o | | | | | |
| Ion Țiriac | 4 | 0 | | František Pála | 6 | 6 | | | | | | | | |
| Nikola Špear | 4 | 6 | 4 | Ismail El Shafei | 7 | 7 | | | | | | | | |
| Ismail El Shafei | 6 | 4 | 6 | | | | | | | | | | | |

#### 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 | Quarterfinals |
| Ilie Năstase | 6 | 6 | | | | | | | | | | | | | |
| Raz Reid | 4 | 1 | | Ilie Năstase | 6 | 6 | | | | | | | | | |
| Roger Taylor | 6 | 7 | | Roger Taylor | 0 | 3 | | | | | | | | | |
| Juan Gisbert Sr. | 4 | 5 | | | | | | Ilie Năstase | 2 | 6 | 6 | | | | |
| Harold Solomon | 6 | 7 | | | | | | Milan Holeček | 6 | 2 | 4 | | | | |
| Karl Meiler | 4 | 6 | | Harold Solomon | 6 | 3 | 5 | | | | | | | | |
| Georges Goven | 6 | 5 | 4 | Milan Holeček | 4 | 6 | 7 | | | | | | | | |
| Milan Holeček | 4 | 7 | 6 | | | | | | | | | Ilie Năstase | 5 | 6 | 1 |
| Guillermo Vilas | 6 | 6 | | | | | | | | | | Guillermo Vilas | 7 | 1 | 6 |
| Mike Belkin | 2 | 2 | | Guillermo Vilas | 6 | 6 | | | | | | | | | |
| Jun Kuki | 6 | 5 | | Hans-Jürgen Pohmann | 0 | 2 | | | | | | | | | |
| Hans-Jürgen Pohmann | 7 | 7 | | | | | | Guillermo Vilas | 6 | 6 | | | | | |
| Roscoe Tanner | 4 | 1 | | | | | | Barry Phillips-Moore | 4 | 2 | | | | | |
| Barry Phillips-Moore | 6 | 6 | | Barry Phillips-Moore | 6 | 6 | | | | | | | | | |
| Robert Wright | 1 | 3 | | Paul Kronk | 2 | 3 | | | | | | | | | |
| Paul Kronk | 6 | 6 | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| 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 |
| Geoff Masters | 6 | 6 | | | | | | | | | | | | | |
| Hans Kary | 3 | 2 | | Geoff Masters | 7 | 3 | 6 | | | | | | | | |
| Dick Crealy | 1 | 1 | | Jaime Fillol | 5 | 6 | 3 | | | | | | | | |
| Jaime Fillol | 6 | 6 | | | | | | Geoff Masters | 4 | 4 | | | | | |
| Jeff Borowiak | 7 | 6 | | | | | | Marty Riessen | 6 | 6 | | | | | |
| Jiří Hřebec | 5 | 4 | | Jeff Borowiak | 3 | 2 | | | | | | | | | |
| Iván Molina | 4 | 6 | 0 | Marty Riessen | 6 | 6 | | | | | | | | | |
| Marty Riessen | 6 | 4 | 6 | | | | | | | | | Marty Riessen | 6 | 6 | 0$^r$ |
| Chauncey Steele III | 5 | 2 | | | | | | | | | | Björn Borg | 4 | 7 | 5 |
| Belus Prajoux | 7 | 6 | | Belus Prajoux | 7 | 7 | | | | | | | | | |
| Patricio Cornejo | 7 | 6 | | Patricio Cornejo | 5 | 5 | | | | | | | | | |
| John Alexander | 5 | 2 | | | | | | Belus Prajoux | 2 | 6 | 2 | | | | |
| Vladimír Zedník | 6 | 4 | 4 | | | | | Björn Borg | 6 | 3 | 6 | | | | |
| Marcelo Lara | 3 | 6 | 6 | Marcelo Lara | 2 | 0 | | | | | | | | | |
| Paul Sullivan | 3 | 0 | | Björn Borg | 6 | 6 | | | | | | | | | |
| Björn Borg | 6 | 6 | | | | | | | | | | | | | |

#### Section 4

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals |
| Bob Lutz | 6 | 6 | | | | | | | | | | | |
| Bill Drake | 1 | 0 | | Bob Lutz | 2 | 5 | | | | | | | |
| Jorge Andrew | 1 | 4 | | Eddie Dibbs | 6 | 7 | | | | | | | |
| Eddie Dibbs | 6 | 6 | | | | | | Eddie Dibbs | 4 | 3 | | | |
| Doug Crawford | 6 | 6 | 6 | | | | | Arthur Ashe | 6 | 6 | | | |
| Graham Stilwell | 1 | 7 | 2 | Doug Crawford | 2 | 2 | | | | | | | |
| Joaquín Loyo-Mayo | 6 | 3 | 6 | Arthur Ashe | 6 | 6 | | | | | | | |
| Arthur Ashe | 3 | 6 | 7 | | | | | | | | Arthur Ashe | 3 | 2 |
| Bob Rheinberger | 6 | 5 | 7 | | | | | | | | Jan Kodeš | 6 | 6 |
| Ben Bishop | 4 | 7 | 5 | Bob Rheinberger | 6 | 0 | | | | | | | |
| Haroon Rahim | 4 | 3 | | Jan Kodeš | 7 | 6 | | | | | | | |
| Jan Kodeš | 6 | 6 | | | | | | Jan Kodeš | 6 | 6 | | | |
| Antonio Muñoz | 1 | 2 | | | | | | Jun Kamiwazumi | 1 | 2 | | | |
| Jun Kamiwazumi | 6 | 6 | | Jun Kamiwazumi | 5 | 6 | 7 | | | | | | |
| Ross Case | 0 | 3 | | Stan Smith | 7 | 2 | 5 | | | | | | |
| Stan Smith | 6 | 6 | | | | | | | | | | | |