# 1990 SkyDome World Tennis Tournament – Singles

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.

## Seeds

The top eight seeds receive a bye into the second round.
* Ivan Lendl (champion)
* Brad Gilbert (semifinals)
* John McEnroe (semifinals)
* Aaron Krickstein (quarterfinals)
* Jay Berger (quarterfinals)
* Tim Mayotte (final)
* Andrés Gómez (second round)
* Kevin Curren (quarterfinals)
* Jim Courier (second round)
* Jaime Yzaga (third round)
* David Wheaton (first round)
* Jim Grabb (first round)
* Wally Masur (first round)
* Scott Davis (first round)
* Pete Sampras (first round, retired)
* Jean-Philippe Fleurian (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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Ivan Lendl | 6$^4$ | 7$^{14}$ | 6 | | | | | | | | |
| 8 | Kevin Curren | 7$^7$ | 6$^{12}$ | 3 | | | | | | | | |
| 8 | Kevin Curren | 7$^7$ | 6$^{12}$ | 3 | 1 | Ivan Lendl | 6 | 6 | | | | |
| | | | | | 3 | John McEnroe | 3 | 2 | | | | |
| 3 | John McEnroe | 6 | 6 | | 3 | John McEnroe | 3 | 2 | | | | |
| 5 | Jay Berger | 4 | 0 | | | | | | | | | |
| 5 | Jay Berger | 4 | 0 | | | | | | 1 | Ivan Lendl | 6 | 6 |
| | | | | | | | | | 6 | Tim Mayotte | 3 | 0 |
| 6 | Tim Mayotte | 4 | 6 | 7$^7$ | | | | | | | | | 6 | Tim Mayotte | 3 | 0 |
| 4 | Aaron Krickstein | 6 | 4 | 6$^5$ | | | | | | | | |
| 4 | Aaron Krickstein | 6 | 4 | 6$^5$ | 6 | Tim Mayotte | 6 | 7$^8$ | | | | |
| | | | | | 2 | Brad Gilbert | 3 | 6$^6$ | | | | |
| | Petr Korda | 6 | 6$^5$ | 2 | 2 | Brad Gilbert | 3 | 6$^6$ | | | | |
| 2 | Brad Gilbert | 3 | 7$^7$ | 6 | | | | | | | | |

### Top half
#### Section 1

| 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | I Lendl | 7 | 6 | | | | | | | | | | | |
| Q | M Washington | 4 | 7$^7$ | 4 | | J Brown | 5 | 1 | | | | | | | | | | | |
| | J Brown | 6 | 6$^2$ | 6 | | | | | | 1 | I Lendl | 7 | 6 | | | | | | |
| WC | P McEnroe | 3 | 1$^r$ | | | | | | | | P Haarhuis | 5 | 2 | | | | | | |
| | P Haarhuis | 6 | 4 | | | P Haarhuis | 6 | 6$^7$ | 6 | | | | | | | | | | |
| | K Evernden | 7$^9$ | | | | K Evernden | 4 | 7$^9$ | 1 | | | | | | | | | | |
| 15 | P Sampras | 6$^7$ | r | | | | | | | | | | | | 1 | I Lendl | 6$^4$ | 7$^{14}$ | 6 |
| 9 | J Courier | 6 | 6 | | | | | | | | | | | | 8 | K Curren | 7$^7$ | 6$^{12}$ | 3 |
| | D Cahill | 0 | 3 | | 9 | J Courier | 3 | 5 | | | | | | | | | | | |
| | D Goldie | 4 | 6 | 3 | WC | G Connell | 6 | 7 | | | | | | | | | | | |
| WC | G Connell | 6 | 2 | 6 | | | | | | WC | G Connell | 6$^4$ | 6 | 1 | | | | | |
| Q | O Jonsson | 0 | 4 | | | | | | | 8 | K Curren | 7$^7$ | 2 | 6 | | | | | |
| | A Sznajder | 6 | 6 | | | A Sznajder | 0 | 5 | | | | | | | | | | | |
| | | | | | 8 | K Curren | 6 | 7 | | | | | | | | | | | |

#### Section 2

| 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 |
| | | | | | 3 | J McEnroe | 6 | 6 | | | | | | | | |
| | D Rostagno | 4 | 5 | | | P Chamberlin | 3 | 3 | | | | | | | | |
| | P Chamberlin | 6 | 7 | | | | | | 3 | J McEnroe | 6 | 6 | | | | |
| | R Matuszewski | 6 | 6 | | | | | | | L Shiras | 4 | 3 | | | | |
| WC | C Pridham | 1 | 2 | | | R Matuszewski | 6$^6$ | 2$^r$ | | | | | | | | |
| | L Shiras | 6 | 7 | | | L Shiras | 7$^8$ | 4 | | | | | | | | |
| 14 | S Davis | 3 | 5 | | | | | | | | | | 3 | J McEnroe | 6 | 6 |
| 11 | D Wheaton | 3 | 7$^9$ | 2 | | | | | | | | | 5 | J Berger | 4 | 0 |
| | P Lundgren | 6 | 6$^7$ | 6 | | P Lundgren | 5 | 1 | | | | | | | | |
| Q | T Wilkison | 2 | 3 | | | R Reneberg | 7 | 6 | | | | | | | | |
| | R Reneberg | 6 | 6 | | | | | | | R Reneberg | 4 | 6$^6$ | | | | |
| | G Layendecker | 1 | 5 | | | | | | 5 | J Berger | 6 | 7$^8$ | | | | |
| | R Krishnan | 6 | 7 | | | R Krishnan | 6$^3$ | 3 | | | | | | | | |
| | | | | | 5 | J Berger | 7$^7$ | 6 | | | | | | | | |

### Bottom half
#### Section 3

| 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | T Mayotte | 7 | 5 | 6 | | | | | | | | | | |
| | J Pugh | 6 | 2 | | | J Pugh | 5 | 7 | 3 | | | | | | | | | | |
| | J Bates | 2 | 0$^r$ | | | | | | | 6 | T Mayotte | 6 | 4 | 6 | | | | | |
| Q | J Lozano | 7$^7$ | 1 | | | | | | | Q | J Lozano | 2 | 6 | 2 | | | | | |
| | R Seguso | 6$^2$ | 0$^r$ | | Q | J Lozano | 7 | 4 | 7 | | | | | | | | | | |
| | M Vajda | 1 | 7$^7$ | 6 | | M Vajda | 5 | 6 | 5 | | | | | | | | | | |
| 12 | J Grabb | 6 | 6$^5$ | 3 | | | | | | | | | | | 6 | T Mayotte | 4 | 6 | 7$^7$ |
| 13 | W Masur | 6 | 6$^6$ | 3 | | | | | | | | | | | 4 | A Krickstein | 6 | 4 | 6$^5$ |
| Q | J Fitzgerald | 4 | 7$^8$ | 6 | Q | J Fitzgerald | 6 | 6 | | | | | | | | | | | |
| | T Witsken | 7$^7$ | 4 | 5 | WC | M Wostenholme | 1 | 1 | | | | | | | | | | | |
| WC | M Wostenholme | 6$^3$ | 6 | 7 | | | | | | Q | J Fitzgerald | 2 | 2 | | | | | | |
| | T Nijssen | 6 | 6 | | | | | | | 4 | A Krickstein | 6 | 6 | | | | | | |
| | L Duncan | 3 | 3 | | | T Nijssen | 2 | 2 | | | | | | | | | | | |
| | | | | | 4 | A Krickstein | 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 | Quarterfinals |
| | | | | | 7 | A Gómez | 3 | 6 | 4 | | | | | | | | | |
| WC | M Laurendeau | 2 | 2 | | | P Korda | 6 | 1 | 6 | | | | | | | | | |
| | P Korda | 6 | 6 | | | | | | | | P Korda | 7$^7$ | 6 | | | | | |
| Q | S DeVries | 7$^7$ | 7$^9$ | | | | | | | 10 | J Yzaga | 6$^1$ | 4 | | | | | |
| | J Potier | 6$^3$ | 6$^7$ | | Q | S DeVries | 4 | 2 | | | | | | | | | | |
| | N Kroon | 4 | 1 | | 10 | J Yzaga | 6 | 6 | | | | | | | | | | |
| 10 | J Yzaga | 6 | 6 | | | | | | | | | | | | P Korda | 6 | 6$^5$ | 2 |
| 16 | J-P Fleurian | 6 | 6$^2$ | 5 | | | | | | | | | | 2 | B Gilbert | 3 | 7$^7$ | 6 |
| | M Šrejber | 3 | 7$^7$ | 7 | | M Šrejber | 4 | 6 | 6 | | | | | | | | | |
| | B Orešar | 6 | 6$^9$ | 6 | | B Orešar | 6 | 4 | 2 | | | | | | | | | |
| Q | G Van Emburgh | 4 | 7$^{11}$ | 2 | | | | | | | M Šrejber | 2 | 2 | | | | | |
| | A Antonitsch | 6 | 7$^9$ | | | | | | | 2 | B Gilbert | 6 | 6 | | | | | |
| | J Arias | 4 | 6$^7$ | | | A Antonitsch | 3 | 3 | | | | | | | | | | |
| | | | | | 2 | B Gilbert | 6 | 6 | | | | | | | | | | |