# 1978 U.S. Pro Indoor – Singles

Dick Stockton was the defending champion, but lost in the first round.
Jimmy Connors won the title, defeating Roscoe Tanner, 6–2, 6–4, 6–3 in the final.

## Seeds

* Jimmy Connors (champion)
* Björn Borg (quarterfinals)
* Brian Gottfried (semifinals)
* Vitas Gerulaitis (third round)
* Manuel Orantes (third round)
* Eddie Dibbs (semifinals)
* Raúl Ramírez (quarterfinals)
* Ilie Năstase (third round)
* Dick Stockton (first round)
* Roscoe Tanner (final)
* Corrado Barazzutti (first round)
* Ken Rosewall (third round)
* Wojtek Fibak (third round)
* Harold Solomon (third round)
* Sandy Mayer (quarterfinals)
* John McEnroe (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 | Semifinals | Final | Final | Final | Final | Final |
| 1 | Jimmy Connors | 3 | 4 | 6 | 6 | 6 | | | | | |
| 3 | Brian Gottfried | 6 | 6 | 3 | 2 | 0 | | | | | |
| 3 | Brian Gottfried | 6 | 6 | 3 | 2 | 0 | 1 | Jimmy Connors | 6 | 6 | 6 |
| | | | | | | | 10 | Roscoe Tanner | 2 | 4 | 3 |
| 6 | Eddie Dibbs | 6 | 7 | 4 | 1 | | 10 | Roscoe Tanner | 2 | 4 | 3 |
| 10 | Roscoe Tanner | 7 | 5 | 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 | J Connors | 7 | 6 | | | | | | | | | | | | | | | |
| | C Drysdale | 6 | 0 | | 1 | J Connors | 6 | 6 | | | | | | | | | | |
| | | | | | | A Panatta | 3 | 2 | | | | | | | | | | |
| | | | | | | | | | | 1 | J Connors | 6 | 6 | | | | | |
| | | | | | | | | | | | B Mottram | 1 | 4 | | | | | |
| | | | | | | B Mottram | 1 | 6 | 6 | | | | | | | | | |
| | Ti Gullikson | 3 | 7 | 6 | | Ti Gullikson | 6 | 3 | 2 | | | | | | | | | |
| 9 | D Stockton | 6 | 6 | 4 | | | | | | | | | | 1 | J Connors | 6 | 6 | 6 |
| | | | | | | | | | | | | | | 7 | R Ramírez | 7 | 2 | 1 |
| | | | | | 12 | K Rosewall | 7 | 6 | | | | | | | | | | |
| | D Crealy | 4 | 4 | | | B Taróczy | 5 | 3 | | | | | | | | | | |
| | B Taróczy | 6 | 6 | | | | | | | 12 | K Rosewall | 4 | 2 | | | | | |
| | R Moore | 6 | 6 | | | | | | | 7 | R Ramírez | 6 | 6 | | | | | |
| | J Hřebec | 4 | 4 | | | R Moore | 4 | 6 | | | | | | | | | | |
| | | | | | 7 | R Ramírez | 6 | 7 | | | | | | | | | | |

#### 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 |
| | | | | | 3 | B Gottfried | 6 | 6 | | | | | | | | | |
| | M Riessen | 7 | 6 | 6 | | M Riessen | 3 | 4 | | | | | | | | | |
| | J Alexander | 6 | 7 | 3 | | | | | | 3 | B Gottfried | 6 | 7 | | | | |
| Q | J McManus | 6 | 1 | 2 | | | | | | 13 | W Fibak | 3 | 6 | | | | |
| WC | V Winitsky | 3 | 6 | 6 | WC | V Winitsky | 4 | 0 | | | | | | | | | |
| | | | | | 13 | W Fibak | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | B Gottfried | 6 | 6 |
| 16 | J McEnroe | 6 | 6 | | | | | | | | | | | 16 | J McEnroe | 1 | 3 |
| | B Walts | 3 | 2 | | 16 | J McEnroe | 6 | 3 | 7 | | | | | | | | |
| | | | | | | To Gullikson | 4 | 6 | 6 | | | | | | | | |
| | | | | | | | | | | 16 | J McEnroe | 7 | 6 | | | | |
| | | | | | | | | | | 5 | M Orantes | 6 | 2 | | | | |
| | | | | | WC | F McMillan | 4 | 5 | | | | | | | | | |
| | R Meyer | 2 | 1 | | 5 | M Orantes | 6 | 7 | | | | | | | | | |
| 5 | M Orantes | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| 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 |
| 6 | E Dibbs | 6 | 6 | | | | | | | | | | | | | | |
| | B Hewitt | 2 | 1 | | 6 | E Dibbs | 7 | 6 | | | | | | | | | |
| | | | | | | T Moor | 6 | 3 | | | | | | | | | |
| | | | | | | | | | 6 | E Dibbs | 6 | 6 | | | | | |
| | A Zugarelli | 7 | 6 | | | | | | 14 | H Solomon | 3 | 2 | | | | | |
| | H Pfister | 6 | 3 | | | A Zugarelli | 2 | 4 | | | | | | | | | |
| | | | | | 14 | H Solomon | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | 6 | E Dibbs | 7 | 3 | 6 |
| 15 | S Mayer | 6 | 4 | 6 | | | | | | | | | 15 | S Mayer | 6 | 6 | 4 |
| | J Kodeš | 2 | 6 | 2 | 15 | S Mayer | 6 | 6 | | | | | | | | | |
| | | | | | | R Case | 1 | 1 | | | | | | | | | |
| | | | | | | | | | 15 | S Mayer | 6 | 7 | | | | | |
| | | | | | | | | | 4 | V Gerulaitis | 2 | 5 | | | | | |
| | | | | | | J Borowiak | 1 | 1 | | | | | | | | | |
| | M Fishbach | 2 | 0 | | 4 | V Gerulaitis | 6 | 6 | | | | | | | | | |
| 4 | V Gerulaitis | 6 | 6 | | | | | | | | | | | | | | |

#### 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 |
| | | | | | 8 | I Năstase | 7 | 6 | | | | | | | | | |
| | M Cox | 7 | 7 | | | M Cox | 5 | 2 | | | | | | | | | |
| Q | T Leonard | 6 | 6 | | | | | | 8 | I Năstase | 1 | 7 | 0 | | | | |
| | | | | | | | | | 10 | R Tanner | 6 | 6 | 6 | | | | |
| | | | | | | Ž Franulović | 6 | 4 | | | | | | | | | |
| | S Ball | 2 | 4 | | 10 | R Tanner | 7 | 6 | | | | | | | | | |
| 10 | R Tanner | 6 | 6 | | | | | | | | | | | 10 | R Tanner | 6 | 7 |
| 11 | C Barazzutti | 3 | 7 | 1 | | | | | | | | | | 2 | B Borg | 4 | 6 |
| | P Fleming | 6 | 6 | 6 | | P Fleming | 6 | 7 | | | | | | | | | |
| | | | | | | M Cahill | 3 | 6 | | | | | | | | | |
| | | | | | | | | | | P Fleming | 6 | 6 | 3 | | | | |
| | T Okker | 2 | 6 | 6 | | | | | 2 | B Borg | 3 | 7 | 6 | | | | |
| | B Scanlon | 6 | 4 | 2 | | T Okker | 2 | 1 | | | | | | | | | |
| | | | | | 2 | B Borg | 6 | 6 | | | | | | | | | |