# 1977 U.S. Clay Court Championships – Men's singles

Manuel Orantes won the title for the third time, defeating Jimmy Connors in the final.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Jimmy Connors (final)
* Manuel Orantes (champion)
* Harold Solomon (quarterfinals)
* Wojciech Fibak (second round)
* Dick Stockton (quarterfinals)
* Eddie Dibbs (third round)
* Jaime Fillol (third round)
* Phil Dent (semifinals)
* Buster Mottram (third round)
* Željko Franulović (third round)
* Balázs Taróczy (semifinals)
* Cliff Richey (withdrew)
* Bill Scanlon (third round)
* Hank Pfister (first round)
* Dick Crealy (second round)
* Mark Edmondson (first round)

## 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 |
| 1 | Jimmy Connors | 2 | 6 | 10 | | | | | | | | | |
| 5 | Dick Stockton | 6 | 4 | 8 | | | | | | | | | |
| 5 | Dick Stockton | 6 | 4 | 8 | 1 | Jimmy Connors | 6 | 6 | | | | | |
| | | | | | 8 | Phil Dent | 3 | 1 | | | | | |
| | John McEnroe | 4 | 6 | | 8 | Phil Dent | 3 | 1 | | | | | |
| 8 | Phil Dent | 6 | 7 | | | | | | | | | | |
| 8 | Phil Dent | 6 | 7 | | | | | | | 1 | Jimmy Connors | 1 | 3 |
| | | | | | | | | | | 2 | Manuel Orantes | 6 | 6 |
| 13 | Balázs Taróczy | 6 | 6 | | | | | | | | | | | 2 | Manuel Orantes | 6 | 6 |
| 3 | Harold Solomon | 4 | 2 | | | | | | | | | | |
| 3 | Harold Solomon | 4 | 2 | | 13 | Balázs Taróczy | 3 | 7 | 3 | | | | |
| | | | | | 2 | Manuel Orantes | 6 | 5 | 6 | | | | |
| | Terry Moor | 1 | 2 | | 2 | Manuel Orantes | 6 | 5 | 6 | | | | |
| 2 | Manuel Orantes | 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | J Connors | 6 | 6 | | | | | | | | | | | | | | | | |
| | H Bunis | 2 | 3 | | 1 | J Connors | 6 | 6 | | | | | | | | | | | |
| Q | B Nichols | 4 | 1 | | | M Mitchell | 2 | 0 | | | | | | | | | | | |
| | M Mitchell | 6 | 6 | | | | | | | 1 | J Connors | 7 | 6 | | | | | | |
| 15 | D Crealy | 6 | 6 | | | | | | | | B Teacher | 6 | 4 | | | | | | |
| | G Hardie | 1 | 4 | | 15 | D Crealy | 6 | 4 | 0 | | | | | | | | | | |
| | B Teacher | 6 | 6 | 6 | | B Teacher | 4 | 6 | 6 | | | | | | | | | | |
| Q | B Drewett | 4 | 7 | 3 | | | | | | | | | | | 1 | J Connors | 2 | 6 | 10 |
| 5 | D Stockton | 6 | 6 | | | | | | | | | | | | 5 | D Stockton | 6 | 4 | 8 |
| | C Lewis | 1 | 2 | | 5 | D Stockton | 7 | 4 | 6 | | | | | | | | | | |
| | P Proisy | 1 | 1 | | | Z Guerry | 5 | 6 | 2 | | | | | | | | | | |
| | Z Guerry | 6 | 6 | | | | | | | 5 | D Stockton | 6 | 4 | 6 | | | | | |
| 9 | B Mottram | 6 | 6 | | | | | | | 9 | B Mottram | 4 | 6 | 3 | | | | | |
| Q | B Fritz | 4 | 3 | | 9 | B Mottram | 6 | 6 | | | | | | | | | | | |
| | P Cornejo | 6 | 6 | 6 | | P Cornejo | 4 | 3 | | | | | | | | | | | |
| | J Andrew | 1 | 7 | 4 | | | | | | | | | | | | | | | |

#### Section 2

| 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 |
| 4 | W Fibak | 6 | 6 | 6 | | | | | | | | | | | | | |
| | P Dominguez | 4 | 7 | 4 | 4 | W Fibak | 7 | 1 | 2 | | | | | | | | |
| | T Graham | 2 | 2 | | | J McEnroe | 6 | 6 | 6 | | | | | | | | |
| | J McEnroe | 6 | 6 | | | | | | | | J McEnroe | 6 | 7 | | | | |
| 13 | B Scanlon | 6 | 7 | | | | | | | 13 | B Scanlon | 3 | 5 | | | | |
| | J-F Caujolle | 1 | 5 | | 13 | B Scanlon | 4 | 6 | 6 | | | | | | | | |
| | P McNamee | 6 | 6 | | | P McNamee | 6 | 4 | 2 | | | | | | | | |
| | R Benavides | 3 | 4 | | | | | | | | | | | | J McEnroe | 4 | 6 |
| 8 | P Dent | 7 | 6 | | | | | | | | | | | 8 | P Dent | 6 | 7 |
| | B Maze | 6 | 1 | | 8 | P Dent | 6 | 6 | | | | | | | | | |
| | B Seewagen | 6 | 7 | 6 | | B Seewagen | 3 | 4 | | | | | | | | | |
| | C Letcher | 7 | 6 | 2 | | | | | | 8 | P Dent | 6 | 6 | | | | |
| | H Schoenfield | 6 | 4 | 6 | | | | | | | Á Betancur | 3 | 2 | | | | |
| | T Šmíd | 3 | 6 | 3 | | H Schoenfield | 4 | 3 | | | | | | | | | |
| | E Montaño | 3 | 3 | | | Á Betancur | 6 | 6 | | | | | | | | | |
| | Á Betancur | 6 | 6 | | | | | | | | | | | | | | |

### 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 |
| | J Marks | 3 | 3 | | | | | | | | | | | | | | | |
| | H Kary | 6 | 6 | | | H Kary | 5 | 2 | | | | | | | | | | |
| Q | C Fancutt | 3 | 3 | | 11 | B Taróczy | 7 | 6 | | | | | | | | | | |
| 11 | B Taróczy | 6 | 6 | | | | | | | 11 | B Taróczy | 6 | 6 | | | | | |
| | E Teltscher | 5 | 4 | | | | | | | 7 | J Fillol | 1 | 2 | | | | | |
| Q | T Wilkison | 7 | 6 | | | T Wilkison | 7 | 4 | 2 | | | | | | | | | |
| | J-L Haillet | 6 | 3 | 2 | 7 | J Fillol | 5 | 6 | 6 | | | | | | | | | |
| 7 | J Fillol | 2 | 6 | 6 | | | | | | | | | | | 11 | B Taróczy | 6 | 6 |
| | T Waltke | 6 | 6 | 4 | | | | | | | | | | | 3 | H Solomon | 4 | 2 |
| | M Cahill | 7 | 2 | 6 | | M Cahill | 3 | 3 | | | | | | | | | | |
| | A Amritraj | 4 | 4 | | 10 | Ž Franulović | 6 | 6 | | | | | | | | | | |
| 10 | Ž Franulović | 6 | 6 | | | | | | | 10 | Ž Franulović | 7 | 4 | 2 | | | | |
| | B Manson | 3 | 4 | | | | | | | 3 | H Solomon | 5 | 6 | 6 | | | | |
| | A Pattison | 6 | 6 | | | A Pattison | 4 | 3 | | | | | | | | | | |
| | D Schneider | 3 | 6 | 3 | 3 | H Solomon | 6 | 6 | | | | | | | | | | |
| 3 | H Solomon | 6 | 3 | 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 |
| | W Lofgren | 6 | 4 | 5 | | | | | | | | | | | | | | |
| | T Moor | 3 | 6 | 7 | | T Moor | 6 | 3 | 6 | | | | | | | | | |
| | J James | 6 | 6 | | | J James | 4 | 6 | 1 | | | | | | | | | |
| 14 | H Pfister | 4 | 3 | | | | | | | | T Moor | 2 | 6 | 7 | | | | |
| Q | C Sylvan | 7 | 3 | 3 | | | | | | 6 | E Dibbs | 6 | 2 | 5 | | | | |
| Q | C Roger-Vasselin | 5 | 6 | 6 | Q | C Roger-Vasselin | 1 | 2 | | | | | | | | | | |
| | A Muñoz | 0 | 3 | | 6 | E Dibbs | 6 | 6 | | | | | | | | | | |
| 6 | E Dibbs | 6 | 6 | | | | | | | | | | | | | T Moor | 1 | 2 |
| Q | W Blocher | 5 | 4 | | | | | | | | | | | | 2 | M Orantes | 6 | 6 |
| | V Amaya | 7 | 6 | | | V Amaya | 6 | 7 | | | | | | | | | | |
| | O Parun | 0 | 7 | 6 | | O Parun | 4 | 6 | | | | | | | | | | |
| 16 | M Edmondson | 6 | 5 | 3 | | | | | | | V Amaya | 4 | 3 | | | | | |
| | S Krulevitz | 6 | 6 | | | | | | | 2 | M Orantes | 6 | 6 | | | | | |
| | J Kuki | 1 | 0 | | | S Krulevitz | 6 | 1 | 1 | | | | | | | | | |
| | W Zirngibl | 4 | 0 | | 2 | M Orantes | 3 | 6 | 6 | | | | | | | | | |
| 2 | M Orantes | 6 | 6 | | | | | | | | | | | | | | | |