| Doubles | |
|---|---|
| 1986 Geneva Open | |
| Champions |  Andreas Maurer  Jörgen Windahl |
| Runners-up |  Gustavo Luza Gustavo Tiberti |
| Final score | 6–4, 3–6, 6–4 |
Sergio Casal and Emilio Sánchez were the defending champions, but did not participate this year.
Andreas Maurer and Jörgen Windahl won the title, defeating Gustavo Luza and Gustavo Tiberti 6–4, 3–6, 6–4 in the final.
Dan Cassidy / Mel Purcell (first round) Gustavo Luza / Gustavo Tiberti (final) Ronnie Båthman / 
Carlos di Laura (semifinals)
Nelson Aerts / Luiz Mattar (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | D Cassidy M Purcell | 3 | 6 | ||||||||||||||||||||||||
| A Maurer J Windahl | 6 | 7 | A Maurer J Windahl | 6 | 6 | ||||||||||||||||||||||
 J Arrese J Bardou | 3 | 2 | A Ganzábal M Ingaramo | 1 | 3 | ||||||||||||||||||||||
| A Ganzábal M Ingaramo | 6 | 6 | A Maurer J Windahl | 7 | 6 | ||||||||||||||||||||||
| 3 | R Båthman C di Laura | 6 | 7 | 3 | R Båthman C di Laura | 5 | 4 | ||||||||||||||||||||
 R Agénor  T Tulasne | 4 | 5 | 3 | R Båthman C di Laura | 6 | 6 | |||||||||||||||||||||
 M Schapers  R Stadler | 6 | 6 | M Schapers R Stadler | 1 | 1 | ||||||||||||||||||||||
P Arraya  R Viver | 3 | 3 | A Maurer J Windahl | 6 | 3 | 6 | |||||||||||||||||||||
| J López-Maeso G Rivas | 6 | 2 | 7 | 2 | G Luza G Tiberti | 4 | 6 | 4 | |||||||||||||||||||
M Günthardt  Z Kuharszky | 4 | 6 | 6 | J López-Maeso G Rivas | |||||||||||||||||||||||
| J Avendaño JA Rodríguez | 5 | 6 | 5 | 4 | N Aerts L Mattar | w/o | |||||||||||||||||||||
| 4 | N Aerts L Mattar | 7 | 3 | 7 | 4 | N Aerts L Mattar | 2 | 6 | 1 | ||||||||||||||||||
C Castellan  M Wostenholme | 6 | 5 | 4 | 2 | G Luza G Tiberti | 6 | 2 | 6 | |||||||||||||||||||
| WC | Thierry Grin R Hertzog | 3 | 7 | 6 | WC | T Grin R Hertzog | 5 | 3 | |||||||||||||||||||
| E Bengoechea C Miniussi | 3 | 4 | 2 | G Luza G Tiberti | 7 | 6 | |||||||||||||||||||||
| 2 | G Luza G Tiberti | 6 | 6 | ||||||||||||||||||||||||
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