# 1978 Stockholm Open – Singles

Sandy Mayer was the defending champion, but lost in the third round this year.
McEnroe successfully defended his title, defeating Tim Gullikson 6–2, 6–2 in the final.
The tournament featured the first ever meeting of John McEnroe and Björn Borg, in the semifinals.

## Seeds

* Björn Borg (semifinals)
* Eddie Dibbs (first round)
* John McEnroe (champion)
* Brian Gottfried (third round)
* Corrado Barazzutti (first round)
* Harold Solomon (first round)
* Roscoe Tanner (third round)
* Sandy Mayer (third round)
* Ilie Năstase (third round)
* Arthur Ashe (quarterfinals)
* Dick Stockton (first round)
* Wojtek Fibak (semifinals)
* Tim Gullikson (final)
* John Lloyd (first round)
* Stan Smith (quarterfinals)
* Peter Fleming (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 | Final | Final | Final | Final |
| 1 | Björn Borg | 3 | 4 | | | | |
| 3 | John McEnroe | 6 | 6 | | | | |
| 3 | John McEnroe | 6 | 6 | 3 | John McEnroe | 6 | 6 |
| | | | | 13 | Tim Gullikson | 2 | 2 |
| 12 | Wojtek Fibak | 3 | 3 | 13 | Tim Gullikson | 2 | 2 |
| 13 | Tim Gullikson | 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 |
| 1 | B Borg | 6 | 6 | | | | | | | | | | | | | | |
| | J Austin | 3 | 1 | | 1 | B Borg | 6 | 6 | | | | | | | | | |
| | T Waltke | 6 | 4 | 3 | | B Mitton | 2 | 4 | | | | | | | | | |
| | B Mitton | 4 | 6 | 6 | | | | | | 1 | B Borg | 6 | 6 | | | | |
| | F McMillan | 7 | 6 | | | | | | | 9 | I Năstase | 4 | 3 | | | | |
| | B Manson | 6 | 4 | | | F McMillan | 2 | 4 | | | | | | | | | |
| Q | J Sadri | 4 | 6 | | 9 | I Năstase | 6 | 6 | | | | | | | | | |
| 9 | I Năstase | 6 | 7 | | | | | | | | | | | 1 | B Borg | 6 | 6 |
| 16 | P Fleming | 4 | 6 | 6 | | | | | | | | | | 16 | P Fleming | 4 | 4 |
| | C Roger-Vasselin | 6 | 0 | 1 | 16 | P Fleming | 6 | 5 | 6 | | | | | | | | |
| Q | U Eriksson | 7 | 7 | | Q | U Eriksson | 4 | 7 | 4 | | | | | | | | |
| | A Pattison | 6 | 6 | | | | | | | 16 | P Fleming | 6 | 6 | | | | |
| | D Bohrnstedt | 5 | 7 | 1 | | | | | | 8 | S Mayer | 3 | 3 | | | | |
| | I Lendl | 7 | 6 | 6 | | I Lendl | 5 | 6 | | | | | | | | | |
| | J James | 6 | 1 | | 8 | S Mayer | 7 | 7 | | | | | | | | | |
| 8 | S Mayer | 7 | 6 | | | | | | | | | | | | | | |

#### 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 | J McEnroe | 6 | 6 | | | | | | | | | | | | | | |
| Q | Per Larsson | 1 | 3 | | 3 | J McEnroe | 6 | 6 | | | | | | | | | |
| | J Granát | 2 | 4 | | | S Simonsson | 2 | 4 | | | | | | | | | |
| | S Simonsson | 6 | 6 | | | | | | | 3 | J McEnroe | 7 | 6 | | | | |
| | J Kodeš | 6 | 6 | | | | | | | | J Kodeš | 5 | 0 | | | | |
| | W Zirngibl | 3 | 2 | | | J Kodeš | 7 | 6 | | | | | | | | | |
| | K Meiler | 6 | 6 | | | K Meiler | 5 | 4 | | | | | | | | | |
| 14 | J Lloyd | 2 | 4 | | | | | | | | | | | 3 | J McEnroe | 6 | 7 |
| 11 | D Stockton | 6 | 6 | 5 | | | | | | | | | | | T Okker | 3 | 6 |
| | A Panatta | 3 | 7 | 7 | | A Panatta | 7 | 6 | | | | | | | | | |
| | A Zugarelli | 3 | 1 | | | T Šmíd | 6 | 4 | | | | | | | | | |
| | T Šmíd | 6 | 6 | | | | | | | | A Panatta | 6 | 1 | | | | |
| | I El Shafei | 3 | 7 | 4 | | | | | | | T Okker | 7 | 6 | | | | |
| | T Okker | 6 | 6 | 6 | | T Okker | 6 | 4 | 6 | | | | | | | | |
| | P Hjertquist | 3 | 6 | 6 | | P Hjertquist | 4 | 6 | 1 | | | | | | | | |
| 6 | H Solomon | 6 | 1 | 3 | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| 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 |
| 5 | C Barazzutti | 4 | 6 | | | | | | | | | | | | | | |
| | ON Bengtson | 6 | 7 | | ON Bengtson | 6 | 6 | 7 | | | | | | | | | |
| | R Drysdale | 7 | | | R Drysdale | 2 | 7 | 6 | | | | | | | | | |
| | V Amritraj | 6 | r | | | | | | | ON Bengtson | 3 | 2 | | | | | |
| | A Amritraj | 6 | 3 | | | | | | 10 | A Ashe | 6 | 6 | | | | | |
| | H Günthardt | 7 | 6 | | H Günthardt | 6 | 0 | 4 | | | | | | | | | |
| | T Svensson | 3 | 2 | 10 | A Ashe | 4 | 6 | 6 | | | | | | | | | |
| 10 | A Ashe | 6 | 6 | | | | | | | | | | | 10 | A Ashe | 6 | 4 |
| 12 | W Fibak | 6 | 6 | | | | | | | | | | | 12 | W Fibak | 7 | 6 |
| Q | P Pearson | 1 | 0 | 12 | W Fibak | 6 | 6 | | | | | | | | | | |
| | G Hardie | 6 | 6 | | G Hardie | 4 | 2 | | | | | | | | | | |
| | B Hewitt | 3 | 2 | | | | | | 12 | W Fibak | 6 | 4 | 6 | | | | |
| | J Källqvist | 2 | 3 | | | | | | 4 | B Gottfried | 2 | 6 | 2 | | | | |
| | R Lutz | 6 | 6 | | R Lutz | 6 | 3 | | | | | | | | | | |
| | J Hřebec | 6 | 2 | 4 | B Gottfried | 7 | 6 | | | | | | | | | | |
| 4 | B Gottfried | 7 | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 7 | R Tanner | 6 | 6 | | | | | | | | | | | | | | |
| | S Birner | 3 | 2 | | 7 | R Tanner | 6 | 6 | 6 | | | | | | | | |
| Q | D Palm | 2 | 7 | 6 | Q | D Palm | 3 | 7 | 2 | | | | | | | | |
| | M Cox | 6 | 5 | 1 | | | | | | 7 | R Tanner | 3 | 6 | | | | |
| | J Kriek | 7 | 6 | 5 | | | | | | 15 | S Smith | 6 | 7 | | | | |
| | To Gullikson | 6 | 7 | 7 | | To Gullikson | 6 | 6 | | | | | | | | | |
| Q | F Taygan | 4 | 3 | | 15 | S Smith | 7 | 7 | | | | | | | | | |
| 15 | S Smith | 6 | 6 | | | | | | | | | | | 15 | S Smith | 4 | 4 |
| 13 | Ti Gullikson | 7 | 6 | | | | | | | | | | | 13 | Ti Gullikson | 6 | 6 |
| | C Letcher | 6 | 3 | | 13 | Ti Gullikson | 6 | 6 | | | | | | | | | |
| | E van Dillen | 4 | 6 | | | V Zedník | 4 | 4 | | | | | | | | | |
| | V Zedník | 6 | 7 | | | | | | | 13 | Ti Gullikson | 6 | 6 | | | | |
| | R Moore | 2 | 6 | | | | | | | | V Amaya | 4 | 1 | | | | |
| Q | J Norbäck | 6 | 7 | | Q | J Norbäck | 4 | 1 | | | | | | | | | |
| | V Amaya | 6 | 3 | 6 | | V Amaya | 6 | 6 | | | | | | | | | |
| 2 | E Dibbs | 3 | 6 | 3 | | | | | | | | | | | | | |