# 1986 Pilot Pen Classic – Singles

Larry Stefanki was the defending champion but lost in the second round to David Pate.
Joakim Nyström won in the final 6–1, 6–3, 6–2 against Yannick Noah.

## Seeds

The top eight seeds received a bye into the second round.
* Mats Wilander (quarterfinals)
* Jimmy Connors (semifinals)
* Boris Becker (quarterfinals)
* Yannick Noah (final)
* Joakim Nyström (champion)
* Johan Kriek (second round)
* Scott Davis (second round)
* Jimmy Arias (third round)
* David Pate (quarterfinals)
* Thierry Tulasne (semifinals)
* Jan Gunnarsson (first round)
* Peter Lundgren (second round)
* Matt Anger (second round)
* Jakob Hlasek (first round)
* Andreas Maurer (first round)
* Aaron Krickstein (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 | Final |
| 10 | Thierry Tulasne | 2 | 7 | 5 | | | | | |
| 4 | Yannick Noah | 6 | 6 | 7 | | | | | |
| 4 | Yannick Noah | 6 | 6 | 7 | 4 | Yannick Noah | 1 | 3 | 2 |
| | | | | | 5 | Joakim Nyström | 6 | 6 | 6 |
| 5 | Joakim Nyström | 6 | 6 | | 5 | Joakim Nyström | 6 | 6 | 6 |
| 2 | Jimmy Connors | 4 | 2 | | | | | | |

### Top half
#### Section 1

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | M Wilander | 6 | 6 | | | | | | | | |
| Q | A Agassi | 6 | 6 | | Q | A Agassi | 1 | 1 | | | | | | | | |
| WC | J Austin | 4 | 2 | | | | | | 1 | M Wilander | 7 | 6 | | | | |
| | L Pimek | 7 | 6 | | | | | | 16 | A Krickstein | 5 | 1 | | | | |
| Q | E Edwards | 5 | 3 | | | L Pimek | 5 | 1 | | | | | | | | |
| WC | E Teltscher | 6 | 5 | 2 | 16 | A Krickstein | 7 | 6 | | | | | | | | |
| 16 | A Krickstein | 4 | 7 | 6 | | | | | | | | | 1 | M Wilander | 4 | 3 |
| 10 | T Tulasne | 6 | 6 | | | | | | | | | | 10 | T Tulasne | 6 | 6 |
| Q | B Moir | 1 | 3 | | 10 | T Tulasne | 6 | 6 | | | | | | | | |
| | M Westphal | 6 | 6 | | | M Westphal | 2 | 2 | | | | | | | | |
| | M Davis | 4 | 2 | | | | | | 10 | T Tulasne | 6 | 6 | | | | |
| | S Casal | 4 | 4 | | | | | | 8 | J Arias | 3 | 4 | | | | |
| | S Živojinović | 6 | 6 | | | S Živojinović | 2 | 5 | | | | | | | | |
| | | | | | 8 | J Arias | 6 | 7 | | | | | | | | |

#### 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 |
| | | | | | 4 | Y Noah | 6 | 6 | | | | | | | | | |
| | H Schwaier | 5 | 1 | | | T Wilkison | 4 | 4 | | | | | | | | | |
| | T Wilkison | 7 | 6 | | | | | | | 4 | Y Noah | 6 | 7 | | | | |
| | R Agénor | 1 | 5 | | | | | | | | D Goldie | 3 | 6 | | | | |
| | J Canter | 6 | 7 | | | J Canter | 6 | 4 | 1 | | | | | | | | |
| | D Goldie | 4 | 6 | 6 | | D Goldie | 4 | 6 | 6 | | | | | | | | |
| 14 | J Hlasek | 6 | 4 | 4 | | | | | | | | | | 4 | Y Noah | 7 | 7 |
| 11 | J Gunnarsson | 4 | 2 | | | | | | | | | | | Q | M Pernfors | 5 | 5 |
| Q | M Pernfors | 6 | 6 | | Q | M Pernfors | 6 | 6 | | | | | | | | | |
| | B Testerman | 5 | 2 | | | E Sánchez | 4 | 3 | | | | | | | | | |
| | E Sánchez | 7 | 6 | | | | | | | Q | M Pernfors | 6 | 7 | | | | |
| | S Perkiss | 1 | 3 | | | | | | | Q | M Schapers | 3 | 5 | | | | |
| Q | M Schapers | 6 | 6 | | Q | M Schapers | 6 | 6 | | | | | | | | | |
| | | | | | 6 | J Kriek | 3 | 2 | | | | | | | | | |

### Bottom half
#### Section 3

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | J Nyström | 6 | 6 | | | | | | | | |
| | C Steyn | 6 | 6 | 6 | | D Keretić | 2 | 2 | | | | | | | | |
| | D Keretić | 4 | 7 | 7 | | | | | 5 | J Nyström | 6 | 6 | | | | |
| | G Holmes | 6 | 3 | | | | | | WC | B Pearce | 3 | 4 | | | | |
| WC | B Pearce | 7 | 6 | | WC | B Pearce | 6 | 6 | | | | | | | | |
| | R Krishnan | 3 | 1 | | 12 | P Lundgren | 2 | 4 | | | | | | | | |
| 12 | P Lundgren | 6 | 6 | | | | | | | | | | 5 | J Nyström | 7 | 6 |
| 13 | M Anger | 6 | 6 | | | | | | | | | | 3 | B Becker | 6 | 2 |
| Q | D Cassidy | 4 | 1 | | 13 | M Anger | 5 | 5 | | | | | | | | |
| | G Forget | 3 | 6 | 2 | | J Higueras | 7 | 7 | | | | | | | | |
| | J Higueras | 6 | 4 | 6 | | | | | | J Higueras | 2 | 4 | | | | |
| | D Pérez | 3 | 5 | | | | | | 3 | B Becker | 6 | 6 | | | | |
| | M Leach | 6 | 7 | | | M Leach | 3 | 3 | | | | | | | | |
| | | | | | 3 | B Becker | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | S Davis | 6 | 1 | 4 | | | | | | | | |
| | M De Palmer | 6 | 5 | 1 | | M Vajda | 2 | 6 | 6 | | | | | | | | |
| | M Vajda | 2 | 7 | 6 | | | | | | | M Vajda | 4 | 4 | | | | |
| | L Stefanki | 6 | 6 | | | | | | | 9 | D Pate | 6 | 6 | | | | |
| | J Lloyd | 1 | 2 | | | L Stefanki | 4 | 0 | | | | | | | | | |
| | J Aguilera | 2 | 5 | | 9 | D Pate | 6 | 6 | | | | | | | | | |
| 9 | D Pate | 6 | 7 | | | | | | | | | | | 9 | D Pate | 5 | 4 |
| 15 | A Maurer | 6 | 7 | 4 | | | | | | | | | | 2 | J Connors | 7 | 6 |
| | J Yzaga | 7 | 6 | 6 | | J Yzaga | 6 | 7 | | | | | | | | | |
| | J Brown | 6 | 6 | | | J Brown | 2 | 5 | | | | | | | | | |
| | S Giammalva Jr. | 3 | 4 | | | | | | | | J Yzaga | 1 | 2 | | | | |
| Q | M Ostoja | 6 | 2 | 6 | | | | | | 2 | J Connors | 6 | 6 | | | | |
| | V Van Patten | 4 | 6 | 3 | Q | M Ostoja | 6 | 4 | 4 | | | | | | | | |
| | | | | | 2 | J Connors | 1 | 6 | 6 | | | | | | | | |