title: 1989 ABN World Tennis Tournament – Singles
text: # 1989 ABN World Tennis Tournament – Singles
  
  Stefan Edberg was the defending champion but did not compete that year.
  
  Jakob Hlasek won in the final 6–1, 7–5 against Anders Järryd.
  
  ## Seeds
  
  A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
  
  * Miloslav Mečíř (first round)
  * Jakob Hlasek (champion)
  * Yannick Noah (semifinals)
  * Jonas Svensson (first round)
  * John Fitzgerald (first round)
  * Darren Cahill (semifinals)
  * Anders Järryd (final)
  * Magnus Gustafsson (second 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
  
  | 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 | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | M Mečíř | 5 | 1 | | | | | | | | | | | | | | | | | | | |
  | WC | P Kühnen | 7 | 6 | | WC | P Kühnen | 0 | 6 | | | | | | | | | | | | | | |
  | Q | M Ostoja | 3 | 2 | | | M Schapers | 6 | 7 | | | | | | | | | | | | | | |
  | | M Schapers | 6 | 6 | | | | | | | | M Schapers | 7 | 1 | 3 | | | | | | | | |
  | | J Gunnarsson | 3 | 4 | | | | | | | 7 | A Järryd | 6 | 6 | 6 | | | | | | | | |
  | | W Masur | 6 | 6 | | | W Masur | 2 | 1 | | | | | | | | | | | | | | |
  | WC | M Koevermans | 3 | 1 | | 7 | A Järryd | 6 | 6 | | | | | | | | | | | | | | |
  | 7 | A Järryd | 6 | 6 | | | | | | | | | | | | 7 | A Järryd | 6 | 6 | | | | |
  | 4 | J Svensson | 2 | 4 | | | | | | | | | | | | 6 | D Cahill | 2 | 4 | | | | |
  | | M Davis | 6 | 6 | | | M Davis | 6 | 6 | | | | | | | | | | | | | | |
  | Q | M Westphal | 5 | 6 | | | L Lavalle | 2 | 3 | | | | | | | | | | | | | | |
  | | L Lavalle | 7 | 7 | | | | | | | | M Davis | 3 | 6 | | | | | | | | | |
  | | C Mezzadri | 7 | 2 | 2 | | | | | | 6 | D Cahill | 6 | 7 | | | | | | | | | |
  | | C Saceanu | 6 | 6 | 6 | | C Saceanu | 6 | 6 | | | | | | | | | | | | | | |
  | | J Lozano | 2 | 7 | 3 | 6 | D Cahill | 7 | 7 | | | | | | | | | | | | | | |
  | 6 | D Cahill | 6 | 6 | 6 | | | | | | | | | | | | | | | 7 | Anders Järryd | 1 | 5 |
  | 5 | J Fitzgerald | 3 | 6 | 2 | | | | | | | | | | | | | | | 2 | Jakob Hlasek | 6 | 7 |
  | | O Rahnasto | 6 | 3 | 6 | | O Rahnasto | 3 | 6 | 1 | | | | | | | | | | | | | |
  | | U Riglewski | 6 | 6 | | | U Riglewski | 6 | 2 | 6 | | | | | | | | | | | | | |
  | | E Masso | 3 | 0 | | | | | | | | U Riglewski | 1 | 5 | | | | | | | | | |
  | | M Šrejber | 4 | 6 | 3 | | | | | | 3 | Y Noah | 6 | 7 | | | | | | | | | |
  | | C Bergström | 6 | 4 | 6 | | C Bergström | 3 | 5 | | | | | | | | | | | | | | |
  | WC | T Nijssen | 3 | 2 | | 3 | Y Noah | 6 | 7 | | | | | | | | | | | | | | |
  | 3 | Y Noah | 6 | 6 | | | | | | | | | | | | 3 | Y Noah | 6 | 2 | | | | |
  | 8 | M Gustafsson | 6 | 6 | | | | | | | | | | | | 2 | J Hlasek | 7 | 6 | | | | |
  | | D Nargiso | 4 | 4 | | 8 | M Gustafsson | 3 | 2 | | | | | | | | | | | | | | |
  | Q | A Lesch | 2 | 4 | | | E Jelen | 6 | 6 | | | | | | | | | | | | | | |
  | | E Jelen | 6 | 6 | | | | | | | | E Jelen | 1 | 1 | | | | | | | | | |
  | | P Canè | 6 | 3 | 7 | | | | | | 2 | J Hlasek | 6 | 6 | | | | | | | | | |
  | Q | R Kok | 3 | 6 | 6 | | P Canè | 2 | 1 | | | | | | | | | | | | | | |
  | | T Svantesson | 6 | 2 | | 2 | J Hlasek | 6 | 6 | | | | | | | | | | | | | | |
  | 2 | J Hlasek | 7 | 6 | | | | | | | | | | | | | | | | | | | |
  