# 1978 Volvo International – Singles

John Alexander was the defending champion but lost in the final 6–4, 6–4 against Eddie Dibbs.

## Seeds

All sixteen seeds received a bye to the second round.
* Eddie Dibbs (champion)
* Brian Gottfried (third round)
* Manuel Orantes (semifinals)
* Corrado Barazzutti (semifinals)
* Harold Solomon (quarterfinals)
* José Higueras (second round)
* Wojciech Fibak (quarterfinals)
* Ken Rosewall (second round)
* John Alexander (final)
* Arthur Ashe (third round)
* Jaime Fillol (third round)
* Tim Gullikson (third round)
* Stan Smith (second round)
* Hans Gildemeister (third round)
* Robert Lutz (second round)
* Hank Pfister (third 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Eddie Dibbs | 2 | 7 | 6 | | | | |
| 3 | Manuel Orantes | 6 | 6 | 4 | | | | |
| 3 | Manuel Orantes | 6 | 6 | 4 | 1 | Eddie Dibbs | 6 | 6 |
| | | | | | 9 | John Alexander | 4 | 4 |
| 4 | Corrado Barazzutti | 3 | 3 | | 9 | John Alexander | 4 | 4 |
| 9 | John Alexander | 6 | 6 | | | | | |

### Top half
#### Section 1

| 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 |
| | | | | 1 | E Dibbs | 6 | 6 | | | | | | | | | |
| B Hewitt | 3 | 3 | | | V Winitsky | 1 | 0 | | | | | | | | | |
| V Winitsky | 6 | 6 | | | | | | | 1 | E Dibbs | 6 | 6 | | | | |
| B Mitton | 1 | 6 | 6 | | | | | | 11 | J Fillol | 4 | 1 | | | | |
| D Crealy | 6 | 1 | 4 | | B Mitton | 3 | 6 | 2 | | | | | | | | |
| | | | | 11 | J Fillol | 6 | 0 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 1 | E Dibbs | 7 | 6 |
| | | | | | | | | | | | | | 5 | H Solomon | 6 | 3 |
| | | | | 15 | R Lutz | 5 | 4 | | | | | | | | | |
| A Chandronnait | 2 | 1 | | | Tom Gullikson | 7 | 6 | | | | | | | | | |
| Tom Gullikson | 6 | 6 | | | | | | | | Tom Gullikson | 4 | 4 | | | | |
| D Palm | 6 | 7 | | | | | | | 5 | H Solomon | 6 | 6 | | | | |
| J Sadri | 4 | 5 | | | D Palm | 0 | 1 | | | | | | | | | |
| | | | | 5 | H Solomon | 6 | 6 | | | | | | | | | |

#### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | M Orantes | 6 | 6 | | | | | | | | | | |
| | M Fishbach | 6 | 6 | | | M Fishbach | 0 | 2 | | | | | | | | | | |
| Q | L Gottfried | 1 | 1 | | | | | | 3 | M Orantes | 4 | 6 | 6 | | | | | |
| Q | D Crawford | 5 | 4 | | | | | | 14 | H Gildemeister | 6 | 0 | 3 | | | | | |
| | N Saviano | 7 | 6 | | | N Saviano | 6 | 1 | | | | | | | | | | |
| | | | | | 14 | H Gildemeister | 7 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | M Orantes | 4 | 6 | 6 |
| | | | | | | | | | | | | | | 7 | W Fibak | 6 | 2 | 4 |
| | | | | | 10 | A Ashe | 6 | 6 | | | | | | | | | | |
| | J Norbäck | 2 | 6 | 1 | | J Bartlett | 2 | 2 | | | | | | | | | | |
| | J Bartlett | 6 | 4 | 6 | | | | | 10 | A Ashe | 6 | 4 | 1 | | | | | |
| | C Dowdeswell | 4 | 5 | | | | | | 7 | W Fibak | 0 | 6 | 6 | | | | | |
| | C Letcher | 6 | 7 | | | C Letcher | 4 | 3 | | | | | | | | | | |
| | | | | | 7 | W Fibak | 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 | Quarterfinals |
| | | | | | 6 | J Higueras | 0 | 1 | | | | | | | | | | | |
| | G Mayer | 7 | 7 | | | G Mayer | 6 | 6 | | | | | | | | | | | |
| | R Drysdale | 6 | 6 | | | | | | | | G Mayer | 6 | 2 | 6 | | | | | |
| Q | R Lombardi | 3 | 4 | | | | | | | | B Manson | 2 | 6 | 4 | | | | | |
| | B Manson | 6 | 6 | | | B Manson | 6 | 6 | | | | | | | | | | | |
| | | | | | 13 | S Smith | 4 | 1 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | G Mayer | 6 | 4 | 6 |
| | | | | | | | | | | | | | | | 4 | C Barazzutti | 3 | 6 | 7 |
| | | | | | 16 | H Pfister | 6 | 6 | 6 | | | | | | | | | | |
| Q | T Garcia | 4 | 7 | 6 | | T Garcia | 7 | 4 | 0 | | | | | | | | | | |
| | P Pearson | 6 | 5 | 2 | | | | | | 16 | H Pfister | 2 | 6 | 4 | | | | | |
| | F González | 3 | 6 | 6 | | | | | | 4 | C Barazzutti | 6 | 3 | 6 | | | | | |
| | R Frawley | 6 | 0 | 3 | | F González | 1 | 2 | | | | | | | | | | | |
| | | | | | 4 | C Barazzutti | 6 | 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 |
| | | | | | 8 | K Rosewall | 7 | 5 | 1 | | | | | | | | | |
| | H Günthardt | 6 | 6 | | | H Günthardt | 5 | 7 | 6 | | | | | | | | | |
| | Ž Franulović | 3 | 3 | | | | | | | | H Günthardt | 6 | 6 | | | | | |
| | J Kriek | 4 | 6 | 6 | | | | | | 12 | Tim Gullikson | 4 | 4 | | | | | |
| | C Mayotte | 6 | 2 | 1 | | J Kriek | 7 | 3 | 3 | | | | | | | | | |
| | | | | | 12 | Tim Gullikson | 6 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | | H Günthardt | 4 | 4 |
| | | | | | | | | | | | | | | | 9 | J Alexander | 6 | 6 |
| | | | | | 9 | J Alexander | 6 | 6 | | | | | | | | | | |
| Q | P Kronk | 4 | 1 | | Q | C Sylvan | 4 | 2 | | | | | | | | | | |
| Q | C Sylvan | 6 | 6 | | | | | | | 9 | J Alexander | 6 | 3 | 7 | | | | |
| | P Du Pré | 6 | 6 | 7 | | | | | | 2 | B Gottfried | 2 | 6 | 6 | | | | |
| | H Kary | 3 | 7 | 6 | | P Du Pré | 5 | 3 | | | | | | | | | | |
| | | | | | 2 | B Gottfried | 7 | 6 | | | | | | | | | | |