# 1972 U.S. Professional Indoor – Singles

The 1972 U.S. Professional Indoor – singles was an event of the 1971 U.S. Professional Indoor men's tennis tournament played at the Spectrum in Philadelphia in the United States from February 8 through February 13, 1971. The draw comprised 32 players and 8 of them were seeded. John Newcombe was the defending singles champion but lost in the second round. First-seeded Rod Laver won the title, defeating second-seeded Ken Rosewall in the final, 4–6, 6–2, 6–2, 6–2.

## Seeds

* Rod Laver (champion)
* Ken Rosewall (final)
* Arthur Ashe (semifinals)
* Tom Okker (semifinals)
* John Newcombe (second round)
* Cliff Drysdale (quarterfinals)
* Marty Riessen (quarterfinals)
* Robert Lutz (quarterfinals)

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| 2 | Ken Rosewall | 2 | 7 | 7 | 6 | | | | | | |
| 3 | Arthur Ashe | 6 | 6 | 6 | 2 | | | | | | |
| 3 | Arthur Ashe | 6 | 6 | 6 | 2 | 2 | Ken Rosewall | 6 | 2 | 2 | 2 |
| | | | | | | 1 | Rod Laver | 4 | 6 | 6 | 6 |
| 4 | Tom Okker | 3 | 3 | 3 | | 1 | Rod Laver | 4 | 6 | 6 | 6 |
| 1 | Rod Laver | 6 | 6 | 6 | | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 2 | Ken Rosewall | 6 | 6 | | | | | | | | | | | | | | | | | |
| | Nikola Pilić | 4 | 1 | | 2 | K Rosewall | 6 | 6 | | | | | | | | | | | | |
| | Roger Taylor | 6 | 5 | 6 | | R Taylor | 3 | 2 | | | | | | | | | | | | |
| | Brian Fairlie | 4 | 7 | 4 | | | | | | 2 | K Rosewall | 6 | 6 | 6 | | | | | | |
| | John Alexander | 7 | 3 | 6 | | | | | | 7 | M Riessen | 1 | 7 | 3 | | | | | | |
| | Mark Cox | 6 | 6 | 3 | | J Alexander | 6 | 3 | 6 | | | | | | | | | | | |
| | Ray Ruffels | 4 | 2 | | 7 | M Riessen | 4 | 6 | 7 | | | | | | | | | | | |
| 7 | Marty Riessen | 6 | 6 | | | | | | | | | | | | 2 | K Rosewall | 2 | 7 | 7 | 6 |
| 6 | Cliff Drysdale | 6 | 6 | | | | | | | | | | | | 3 | A Ashe | 6 | 6 | 6 | 2 |
| | Owen Davidson | 2 | 3 | | 6 | C Drysdale | 6 | 6 | | | | | | | | | | | | |
| | Charlie Pasarell | 6 | 6 | 7 | | C Pasarell | 4 | 2 | | | | | | | | | | | | |
| | Fred Stolle | 7 | 1 | 5 | | | | | | 6 | C Drysdale | 6 | 2 | | | | | | | |
| | Ron Holmberg | 6 | 6 | | | | | | | 3 | A Ashe | 7 | 6 | | | | | | | |
| | Bill Bowrey | 2 | 3 | | | R Holmberg | 4 | 3 | | | | | | | | | | | | |
| | Frank Froehling | 6 | 1 | 4 | 3 | A Ashe | 6 | 6 | | | | | | | | | | | | |
| 3 | Arthur Ashe | 3 | 6 | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 4 | Tom Okker | 6 | 6 | | | | | | | | | | | | | | | |
| | Tom Leonard | 2 | 4 | | 4 | T Okker | 6 | 6 | | | | | | | | | | |
| | Terry Addison | 6 | 2 | 6 | | T Addison | 1 | 4 | | | | | | | | | | |
| | Ismail El Shafei | 4 | 6 | 4 | | | | | | 4 | T Okker | 7 | 6 | | | | | |
| | Jeff Borowiak | 6 | 6 | | | | | | | | J Borowiak | 5 | 3 | | | | | |
| | Roy Barth | 2 | 2 | | | J Borowiak | 6 | 5 | 6 | | | | | | | | | |
| | Phil Dent | 4 | 4 | | 5 | J Newcombe | 1 | 7 | 4 | | | | | | | | | |
| 5 | John Newcombe | 6 | 6 | | | | | | | | | | | 4 | T Okker | 3 | 3 | 3 |
| 8 | Bob Lutz | 6 | 6 | | | | | | | | | | | 1 | R Laver | 6 | 6 | 6 |
| | Bob Carmichael | 4 | 4 | | 8 | R Lutz | 6 | 6 | | | | | | | | | | |
| | Roy Emerson | 6 | 6 | | | R Emerson | 3 | 2 | | | | | | | | | | |
| | Graham Stilwell | 4 | 2 | | | | | | | 8 | R Lutz | 6 | 1 | | | | | |
| | Tony Roche | 6 | 6 | 6 | | | | | | 1 | R Laver | 7 | 6 | | | | | |
| | Allan Stone | 7 | 3 | 3 | | T Roche | 1 | 6 | 2 | | | | | | | | | |
| | Robert Maud | 3 | 2 | | 1 | R Laver | 6 | 0 | 6 | | | | | | | | | |
| 1 | Rod Laver | 6 | 6 | | | | | | | | | | | | | | | |