| Singles | |
|---|---|
| 1986 Athens Open | |
| Champion |  Henrik Sundström |
| Runner-up |  Francisco Maciel |
| Score | 6–0, 7–5 |
| Draw | 32 |
| Seeds | 8 |
This was the first edition of the event.
Henrik Sundström won the tournament, beating Francisco Maciel in the final, 6–0, 7–5.
| Singles | |
|---|---|
| 1986 Athens Open | |
| Champion | Henrik Sundström |
| Runner-up | Francisco Maciel |
| Score | 6–0, 7–5 |
| Draw | 32 |
| Seeds | 8 |
This was the first edition of the event.
Henrik Sundström won the tournament, beating Francisco Maciel in the final, 6–0, 7–5.
Diego Pérez (first round)
Libor Pimek (second round) Francisco Maciel (final)
Pablo Arraya (semifinals)
Fernando Luna (quarterfinals)
Bruno Orešar (quarterfinals)
Michael Westphal (first round)
Florin Segărceanu (first round)| Semifinals | Final | ||||||||||||
| Juan Avendaño | 0 | 1 | |||||||||||
| 3 | Francisco Maciel | 6 | 6 | ||||||||||
| 3 | Francisco Maciel | 0 | 5 | ||||||||||
| Henrik Sundström | 6 | 7 | |||||||||||
| 4 | Pablo Arraya | 2 | 3 | ||||||||||
| Henrik Sundström | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | D Pérez | 3 | 0 | ||||||||||||||||||||||||
| J Avendaño | 6 | 6 | J Avendaño | 6 | 4 | 6 | |||||||||||||||||||||
| WC |  F Cancellotti | 6 | 6 | WC | F Cancellotti | 4 | 6 | 3 | |||||||||||||||||||
| JA Rodríguez | 3 | 2 | J Avendaño | 6 | 6 | ||||||||||||||||||||||
| J Carlsson | 3 | 0 | C Panatta | 3 | 1 | ||||||||||||||||||||||
| C Panatta | 6 | 6 | C Panatta | 7 | 4 | 7 | |||||||||||||||||||||
| J Arrese | 6 | 6 | J Arrese | 5 | 6 | 6 | |||||||||||||||||||||
| 8 | F Segărceanu | 4 | 4 | J Avendaño | 0 | 1 | |||||||||||||||||||||
| 3 | F Maciel | 6 | 6 | 3 | F Maciel | 6 | 6 | ||||||||||||||||||||
 G Rivas | 1 | 2 | 3 | F Maciel | 6 | 6 | |||||||||||||||||||||
 C Kist | 6 | 6 | 6 | C Kist | 2 | 4 | |||||||||||||||||||||
| Q | J López-Maeso | 7 | 4 | 3 | 3 | F Maciel | 7 | 6 | |||||||||||||||||||
| Q | F Davín | 6 | 7 | 5 | F Luna | 6 | 1 | ||||||||||||||||||||
 E Masso | 3 | 6 | Q | F Davín | 6 | 1 | 0 | ||||||||||||||||||||
 M Wostenholme | 4 | 3 | 5 | F Luna | 2 | 6 | 6 | ||||||||||||||||||||
| 5 | F Luna | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | B Orešar | 6 | 6 | ||||||||||||||||||||||||
| A Stepanek | 2 | 1 | 6 | B Orešar | 7 | 6 | |||||||||||||||||||||
| WC |  A Bavelas | 4 | 7 | 3 |  B Willenborg | 6 | 1 | ||||||||||||||||||||
| B Willenborg | 6 | 5 | 6 | 6 | B Orešar | 4 | 3 | ||||||||||||||||||||
| Q |  B Dadillon | 5 | 6 | 6 | 4 | P Arraya | 6 | 6 | |||||||||||||||||||
| C di Laura | 7 | 4 | 4 | Q | B Dadillon | 6 | 2 | ||||||||||||||||||||
| Q | G Pérez Roldán | 6 | 4 | 3 | 4 | P Arraya | 7 | 6 | |||||||||||||||||||
| 4 | P Arraya | 2 | 6 | 6 | 4 | P Arraya | 2 | 3 | |||||||||||||||||||
| 7 | M Westphal | 4 | 3 | H Sundström | 6 | 6 | |||||||||||||||||||||
| WC | G Kalovelonis | 6 | 6 | WC | G Kalovelonis | 6 | 6 | 6 | |||||||||||||||||||
 P Rebolledo | 6 | 7 | P Rebolledo | 1 | 7 | 7 | |||||||||||||||||||||
| J Aguilera | 4 | 5 | P Rebolledo | 0 | 6 | 3 | |||||||||||||||||||||
| H Sundström | 6 | 2 | 7 | H Sundström | 6 | 4 | 6 | ||||||||||||||||||||
| R Båthman | 3 | 6 | 5 | H Sundström | 6 | 6 | |||||||||||||||||||||
 C Mezzadri | 3 | 1 | 2 | L Pimek | 0 | 1 | |||||||||||||||||||||
| 2 | L Pimek | 6 | 6 | ||||||||||||||||||||||||
Guy Forget was the defending champion but did not compete that year.
Martín Jaite was the defending champion but lost in the second round to Franco Davín.
Lleyton Hewitt was the defending champion but lost in the semifinals to Francisco Clavet.
Alberto Berasategui was the defending champion, but did not participate this year.
Marcelo Ríos was the defending champion but lost in the second round to Adrian Voinea.
Francisco Clavet was the defending champion, but the eighth seeded Spaniard lost in the quarterfinals to Carlos Moyá. Sláva Doseděl won in the final 7–6(7–4), 7–6(7–5), 6–7(4–7), 6–2 against number one seed Carlos Moyà and captured his third and last title of his professional career.
Sjeng Schalken was the defending champion but lost in the quarterfinals to Michel Kratochvil.
Alberto Berasategui was the defending champion but lost in the first round to Mikael Tillström.
Francisco Clavet was the defending champion but lost in the quarterfinals to Karim Alami.
Tomás Carbonell and Francisco Roig were the defending champions but were defeated in the quarterfinals by Pablo Albano and Lucas Arnold.
Albert Costa was the defending champion, but lost in the first round this year.
Alberto Berasategui was the defending champion, but lost in the first round this year.
Àlex Corretja was the defending champion, but did not participate this year.
Thomas Muster was the defending champion, but did not participate this year.
Ellis Ferreira and Jan Siemerink were the defending champions, but competed this year with different partners. Ferreira teamed up with Patrick Galbraith and lost in quarterfinals to tournament winners Donald Johnson and Francisco Montana, while Siemerink teamed up with Menno Oosting and lost in first round to Pablo Albano and Àlex Corretja.
Brad Gilbert was the defending champion, but lost in the first round to Gary Muller.
Yannick Noah was the defending champion, but did not compete this year.
Emilio Sánchez was the defending champion, but lost in the second round to Francisco Roig.
Karim Alami was the defending champion, but lost in the quarter-finals to Alberto Berasategui.
Francisco Clavet was the defending champion, but lost in the first round to Alberto Berasategui.