# 1986 CA-TennisTrophy – Singles

Jan Gunnarsson was the defending champion but lost in the semifinals to Karel Nováček.
Brad Gilbert won in the final 3–6, 6–3, 7–5, 6–0 against Nováček.

## Seeds

* Brad Gilbert (champion)
* Tim Mayotte (first round)
* Milan Šrejber (first round)
* Tim Wilkison (first round)
* Slobodan Živojinović (first round)
* Jonas Svensson (semifinals)
* Paolo Canè (first round)
* Peter Lundgren (first 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

### Final

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| WC/1 | Brad Gilbert | 6 | 6 | | | | | | | |
| 6 | Jonas Svensson | 3 | 2 | | | | | | | |
| 6 | Jonas Svensson | 3 | 2 | | WC/1 | Brad Gilbert | 3 | 6 | 7 | 6 |
| | | | | | | Karel Nováček | 6 | 3 | 5 | 0 |
| | Jan Gunnarsson | 6 | 1 | 6 | | Karel Nováček | 6 | 3 | 5 | 0 |
| | Karel Nováček | 4 | 6 | 7 | | | | | | |

### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| WC/1 | B Gilbert | 6 | 6 | | | | | | | | | | | | | | | |
| Q | P Kühnen | 4 | 0 | | WC/1 | B Gilbert | 6 | 6 | | | | | | | | | | |
| | P Elter | 4 | 7 | 7 | | P Elter | 1 | 3 | | | | | | | | | | |
| | M Ostoja | 6 | 6 | 6 | | | | | | WC/1 | B Gilbert | 4 | 6 | 7 | | | | |
| Q | R Matuszewski | 6 | 6 | | | | | | | Q | R Matuszewski | 6 | 3 | 5 | | | | |
| | F Maciel | 2 | 4 | | Q | R Matuszewski | 7 | 6 | | | | | | | | | | |
| | B Testerman | 6 | 6 | | | B Testerman | 5 | 4 | | | | | | | | | | |
| 8 | P Lundgren | 2 | 1 | | | | | | | | | | | | WC/1 | B Gilbert | 6 | 6 |
| 4 | T Wilkison | 5 | 1 | | | | | | | | | | | | 6 | J Svensson | 3 | 2 |
| | R Osterthun | 7 | 6 | | | R Osterthun | 6 | 7 | | | | | | | | | | |
| | M Vajda | 6 | 6 | | | M Vajda | 4 | 6 | | | | | | | | | | |
| | C Motta | 4 | 3 | | | | | | | | R Osterthun | 3 | 6 | | | | | |
| | T Muster | 7 | 3 | 6 | | | | | | 6 | J Svensson | 6 | 7 | | | | | |
| | C Steyn | 6 | 6 | 3 | | T Muster | 6 | 4 | 2 | | | | | | | | | |
| | D Visser | 3 | 6 | 2 | 6 | J Svensson | 3 | 6 | 6 | | | | | | | | | |
| 6 | J Svensson | 6 | 4 | 6 | | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | S Živojinović | 7 | 3 | 2 | | | | | | | | | | | | | | |
| | W Fibak | 5 | 6 | 6 | | W Fibak | 7 | 3 | 3 | | | | | | | | | |
| | M Schapers | 6 | 6 | | | M Schapers | 6 | 6 | 6 | | | | | | | | | |
| Q | F Segărceanu | 2 | 1 | | | | | | | | M Schapers | 7 | 6 | 4 | | | | |
| WC | A Antonitsch | 3 | 3 | | | | | | | | J Gunnarsson | 5 | 7 | 6 | | | | |
| | J Gunnarsson | 6 | 6 | | | J Gunnarsson | 6 | 6 | | | | | | | | | | |
| | S Eriksson | 6 | 7 | | | S Eriksson | 3 | 4 | | | | | | | | | | |
| 3 | M Šrejber | 4 | 5 | | | | | | | | | | | | J Gunnarsson | 6 | 1 | 6 |
| 7 | P Canè | 3 | 2 | | | | | | | | | | | | K Nováček | 4 | 6 | 7 |
| | T Šmíd | 6 | 6 | | | T Šmíd | 2 | 2 | | | | | | | | | | |
| | M Dickson | 4 | 6 | | | K Nováček | 6 | 6 | | | | | | | | | | |
| | K Nováček | 6 | 7 | | | | | | | | K Nováček | 7 | 3 | 6 | | | | |
| Q | M Gustafsson | 4 | 6 | 3 | | | | | | WC | M Westphal | 6 | 6 | 4 | | | | |
| | C Bergström | 6 | 4 | 6 | | C Bergström | 4 | 6 | 6 | | | | | | | | | |
| WC | M Westphal | 2 | 7 | 6 | WC | M Westphal | 6 | 4 | 7 | | | | | | | | | |
| 2 | T Mayotte | 6 | 6 | 0 | | | | | | | | | | | | | | |