title: 1990 ABN World Tennis Tournament – Singles
text: # 1990 ABN World Tennis Tournament – Singles
  
  Jakob Hlasek was the defending champion, but lost in the semifinals to seventh seed Jonas Svensson. Brad Gilbert won the title, defeating Jonas Svensson 6–1, 6–3, in the final.
  
  ## Seeds
  
  * Brad Gilbert (champion)
  * Alberto Mancini (first round)
  * Yannick Noah (first round)
  * Carl-Uwe Steeb (second round)
  * Magnus Gustafsson (quarterfinals)
  * Jakob Hlasek (semifinals)
  * Jonas Svensson (final)
  * Amos Mansdorf (quarterfinals)
  
  ## 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 | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - |
  | 1 | Brad Gilbert | 6 | 6 | | | | |
  | | Michael Tauson | 3 | 3 | | | | |
  | | Michael Tauson | 3 | 3 | 1 | Brad Gilbert | 6 | 6 |
  | | | | | 7 | Jonas Svensson | 1 | 3 |
  | 6 | Jakob Hlasek | 4 | 5 | 7 | Jonas Svensson | 1 | 3 |
  | 7 | Jonas Svensson | 6 | 7 | | | | |
  
  ### Top half
  
  | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | B Gilbert | 7 | 4 | 6 | | | | | | | | | | | | | | |
  | | A Cherkasov | 5 | 6 | 4 | 1 | B Gilbert | 6 | 6 | | | | | | | | | | |
  | | O Camporese | 6 | 6 | | | O Camporese | 3 | 3 | | | | | | | | | | |
  | | R Fromberg | 4 | 2 | | | | | | | 1 | B Gilbert | 6 | $7^8$ | | | | | |
  | WC | J Fitzgerald | $6^3$ | 3 | | | | | | | 8 | A Mansdorf | 1 | $6^6$ | | | | | |
  | | C Bergström | $7^7$ | 6 | | | C Bergström | 6 | 1 | 1 | | | | | | | | | |
  | | A Järryd | 2 | 4 | | 8 | A Mansdorf | 4 | 6 | 6 | | | | | | | | | |
  | 8 | A Mansdorf | 6 | 6 | | | | | | | | | | | | 1 | B Gilbert | 6 | 6 |
  | 3 | Y Noah | 2 | $6^4$ | | | | | | | | | | | | | M Tauson | 3 | 3 |
  | | P Haarhuis | 6 | $7^7$ | | | P Haarhuis | 6 | 3 | $6^{10}$ | | | | | | | | | |
  | | M Schapers | $6^6$ | 5 | | | M Tauson | 2 | 6 | $7^{12}$ | | | | | | | | | |
  | | M Tauson | $7^8$ | 7 | | | | | | | | M Tauson | 6 | 1 | $7^7$ | | | | |
  | | J Bates | 1 | 1 | | | | | | | 5 | M Gustafsson | 3 | 6 | $6^4$ | | | | |
  | WC | S Živojinović | 6 | 6 | | WC | S Živojinović | 3 | 3 | | | | | | | | | | |
  | | J Potier | 5 | 2 | | 5 | M Gustafsson | 6 | 6 | | | | | | | | | | |
  | 5 | M Gustafsson | 7 | 6 | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | J Hlasek | $7^{11}$ | $7^7$ | | | | | | | | | | | | | | | |
  | | E Jelen | $6^9$ | $6^5$ | | 6 | J Hlasek | 6 | 6 | | | | | | | | | | |
  | | N Pereira | 6 | 6 | | | N Pereira | 2 | 3 | | | | | | | | | | |
  | | M Koevermans | 4 | 2 | | | | | | | 6 | J Hlasek | 7 | 6 | | | | | |
  | Q | L Jensen | 4 | 4 | | | | | | | | A Antonitsch | 5 | 1 | | | | | |
  | | A Antonitsch | 6 | 6 | | | A Antonitsch | 6 | 4 | 6 | | | | | | | | | |
  | Q | C Pioline | 4 | 4 | | 4 | C-U Steeb | 1 | 6 | 3 | | | | | | | | | |
  | 4 | C-U Steeb | 6 | 6 | | | | | | | | | | | | 6 | J Hlasek | 4 | 5 |
  | 7 | J Svensson | $7^7$ | 6 | | | | | | | | | | | | 7 | J Svensson | 6 | 7 |
  | | T Nijssen | $6^1$ | 1 | | 7 | J Svensson | $7^8$ | 7 | | | | | | | | | | |
  | | K Nováček | $7^7$ | $7^7$ | | | K Nováček | $6^6$ | 5 | | | | | | | | | | |
  | Q | P Nyborg | $6^3$ | $6^4$ | | | | | | | 7 | J Svensson | 6 | $6^5$ | 7 | | | | |
  | | L-A Wahlgren | 4 | 1 | | | | | | | Q | T Högstedt | 3 | $7^7$ | 5 | | | | |
  | WC | A Rahunen | 6 | 6 | | WC | A Rahunen | 2 | $6^6$ | | | | | | | | | | |
  | Q | T Högstedt | $6^6$ | 6 | 6 | Q | T Högstedt | 6 | $7^8$ | | | | | | | | | | |
  | 2 | A Mancini | $7^8$ | 4 | 2 | | | | | | | | | | | | | | |
  