| Singles | |
|---|---|
| 1986 Toronto Indoor | |
| Champion |  Joakim Nyström |
| Runner-up |  Milan Šrejber |
| Score | 6–1, 6–4 |
| Draw | 32 |
| Seeds | 8 |
Kevin Curren was the defending champion, but did not participate this year.
Joakim Nyström won the tournament, beating Milan Šrejber in the final, 6–1, 6–4.
Joakim Nyström (champion)
Aaron Krickstein (first round)
Wojtek Fibak (first round) Jonathan Canter (semifinals)
Christo Steyn (first round)
Francisco Maciel (first round)
Shahar Perkiss (second round) Mark Dickson (first round)| Semifinals | Final | ||||||||||||
| 1 | Joakim Nyström | 7 | 6 | ||||||||||
| 4 | Jonathan Canter | 6 | 3 | ||||||||||
| 1 | Joakim Nyström | 6 | 6 | ||||||||||
| Q | Milan Šrejber | 1 | 4 | ||||||||||
| Peter Fleming | 2 | 7 | 3 | ||||||||||
| Q | Milan Šrejber | 6 | 6 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | J Nyström | 6 | 4 | 7 | |||||||||||||||||||||||
| A Mansdorf | 4 | 6 | 5 | 1 | J Nyström | 6 | 6 | ||||||||||||||||||||
 R Saad | 6 | 4 | 0 | WC |  A Sznajder | 3 | 2 | ||||||||||||||||||||
| WC | A Sznajder | 3 | 6 | 6 | 1 | J Nyström | 2 | 6 | 6 | ||||||||||||||||||
 J Bates | 6 | 6 | J Svensson | 6 | 4 | 3 | |||||||||||||||||||||
| S Bonneau | 2 | 2 | J Bates | 1 | 4 | ||||||||||||||||||||||
| J Svensson | 2 | 6 | 6 | J Svensson | 6 | 6 | |||||||||||||||||||||
| 8 | M Dickson | 6 | 1 | 2 | 1 | J Nyström | 7 | 6 | |||||||||||||||||||
| 4 | J Canter | 4 | 6 | 6 | 4 | J Canter | 6 | 3 | |||||||||||||||||||
| M Flur | 6 | 1 | 4 | 4 | J Canter | 6 | 7 | ||||||||||||||||||||
| S Eriksson | 3 | 7 | 3 |  F Segărceanu | 4 | 5 | |||||||||||||||||||||
| F Segărceanu | 6 | 6 | 6 | 4 | J Canter | 7 | 6 | ||||||||||||||||||||
| Q | C Dunk | 6 | 6 | B Green | 6 | 4 | |||||||||||||||||||||
 R Simpson | 4 | 3 | Q | C Dunk | 1 | 5 | |||||||||||||||||||||
| B Green | 6 | 7 | B Green | 6 | 7 | ||||||||||||||||||||||
| 5 | C Steyn | 2 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | S Perkiss | 4 | 6 | 6 | |||||||||||||||||||||||
 B Orešar | 6 | 2 | 1 | 7 | S Perkiss | 1 | 4 | ||||||||||||||||||||
| Q | E Edwards | 3 | 4 | G Michibata | 6 | 6 | |||||||||||||||||||||
| G Michibata | 6 | 6 | G Michibata | 3 | 1 | ||||||||||||||||||||||
| M Wostenholme | 6 | 4 | 4 | P Fleming | 6 | 6 | |||||||||||||||||||||
| P Fleming | 2 | 6 | 6 | P Fleming | 6 | 3 | 6 | ||||||||||||||||||||
| L Shiras | 6 | 7 | L Shiras | 4 | 6 | 4 | |||||||||||||||||||||
| 3 | W Fibak | 3 | 6 | P Fleming | 2 | 7 | 3 | ||||||||||||||||||||
| 6 | F Maciel | 2 | 1 | Q | M Šrejber | 6 | 6 | 6 | |||||||||||||||||||
| Q | M Šrejber | 6 | 6 | Q | M Šrejber | 6 | 6 | 6 | |||||||||||||||||||
| WC | H McDadi | 4 | 5 |  C Kirmayr | 2 | 7 | 4 | ||||||||||||||||||||
| C Kirmayr | 6 | 7 | Q | M Šrejber | 6 | 7 | |||||||||||||||||||||
| Q | D Saltz | 4 | 4 | G Layendecker | 2 | 6 | |||||||||||||||||||||
 R Osterthun | 6 | 6 | R Osterthun | 6 | 3 | 4 | |||||||||||||||||||||
| G Layendecker | 3 | 6 | 7 | G Layendecker | 4 | 6 | 6 | ||||||||||||||||||||
| 2 | A Krickstein | 6 | 3 | 6 | |||||||||||||||||||||||
Defending champion Boris Becker defeated Ivan Lendl in the final, 6–4, 6–3, 7–5 to win the gentlemen's singles tennis title at the 1986 Wimbledon Championships.
Defending champion Ivan Lendl defeated Miloslav Mečíř in the final, 6–4, 6–2, 6–0 to win the men's singles tennis title at the 1986 US Open.
Libor Pimek was the defending champion, but lost in the second round this year.
Larry Stefanki was the defending champion but lost in the second round to David Pate.
Joakim Nyström was the defending champion but lost in the third round to Jakob Hlasek.
Joakim Nyström and Mats Wilander were the defending champions, but lost in the second round to Carl Limberger and Mark Woodforde.
José Luis Clerc was the defending champion but did not compete that year.
Joakim Nyström was the champion of the event when it last took place, in 1986. He did not participate in 1990.
Ivan Lendl won the title, defeating Tim Mayotte 6–3, 6–0, in the final.
John McEnroe was the defending champion, but did not participate this year.
Peter Fleming and Anders Järryd were the defending champions, but Järryd did not participate this year. Fleming partnered Anand Amritraj, losing in the first round.
This was the first edition of the event.
Pavel Složil and Tomáš Šmíd were the defending champions, but did not participate this year.
Michael Mortensen and Mats Wilander were the defending champions, but Mortensen did not participate this year. Wilander partnered Joakim Nyström, withdrawing prior to their quarterfinal match.
The men's doubles tournament at the 1984 Australian Open was held from 26 November through 9 December 1984 on the outdoor grass courts at the Kooyong Stadium in Melbourne, Australia. Mark Edmondson and Sherwood Stewart won the title, defeating Joakim Nyström and Mats Wilander in the final.
Heinz Günthardt and Balázs Taróczy were the defending champions, but lost in the first round to Sammy Giammalva and Greg Holmes.
Ivan Lendl was the defending champion, but lost in third round to Joakim Nyström.
The defending champion was Emilio Sánchez who lost in the semifinals. The fifth seeded, Joakim Nyström from Sweden won the singles title.
Andreas Maurer was the defending champion, but lost in the semifinals to Joakim Nyström.
Francisco González and Matt Mitchell were the defending champions, but González did not compete this year. Mitchell teamed up with John Lloyd and lost in the second round to Mark Edmondson and Kim Warwick.
Mark Edmondson and John Fitzgerald were the defending champions, but Edmondson chose to compete at Stuttgart in the same week. Fitzgerald teamed up with Cliff Letcher and lost in the semifinals to Anders Järryd and Hans Simonsson.