# 1998 ABN AMRO World Tennis Tournament – Singles

Richard Krajicek was the defending champion, but lost in the semifinals to Jan Siemerink.
Jan Siemerink won in the final 7–6$^{(7–2)}$, 6–2, against Thomas Johansson.

## Seeds

* Patrick Rafter (quarterfinals)
* Jonas Björkman (first round)
* Greg Rusedski (quarterfinals)
* Yevgeny Kafelnikov (first round)
* Richard Krajicek (semifinals)
* Sergi Bruguera (second round)
* Goran Ivanišević (first round)
* (withdrew)

## 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 |
| | Jan Siemerink | 6 | 4 | 6 | | | |
| 5 | Richard Krajicek | 4 | 6 | 4 | | | |
| 5 | Richard Krajicek | 4 | 6 | 4 | Jan Siemerink | 7 | 6 |
| | | | | | Thomas Johansson | 6$^2$ | 2 |
| | Thomas Johansson | 6 | 7 | | Thomas Johansson | 6$^2$ | 2 |
| | Brett Steven | 3 | 5 | | | | |

### 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 | Semifinals |
| 1 | P Rafter | 5 | 7 | 6 | | | | | | | | | | | | | | | |
| WC | P Wessels | 7 | 6$^3$ | 1 | 1 | P Rafter | 6 | 6 | | | | | | | | | | | |
| LL | D Scala | 7 | 6 | | LL | D Scala | 3 | 4 | | | | | | | | | | | |
| WC | J van Lottum | 5 | 3 | | | | | | | 1 | P Rafter | 4 | 4 | | | | | | |
| | G Raoux | 6 | 6 | | | | | | | | J Siemerink | 6 | 6 | | | | | | |
| | D Vacek | 2 | 3 | | | G Raoux | 7 | 2 | 2 | | | | | | | | | | |
| | J Siemerink | 5 | 7 | 6 | | J Siemerink | 6$^5$ | 6 | 6 | | | | | | | | | | |
| 7 | G Ivanišević | 7 | 6$^6$ | 3 | | | | | | | | | | | | J Siemerink | 6 | 4 | 6 |
| 3 | G Rusedski | 6$^7$ | 7 | 7 | | | | | | | | | | | 5 | R Krajicek | 4 | 6 | 4 |
| | K Alami | 7 | 6$^3$ | 6$^4$ | 3 | G Rusedski | 6 | 6 | | | | | | | | | | | |
| | R Reneberg | 2 | 6 | 7 | | R Reneberg | 3 | 2 | | | | | | | | | | | |
| | T Nydahl | 6 | 4 | 5 | | | | | | 3 | G Rusedski | 6 | 6$^2$ | 6$^3$ | | | | | |
| | P Haarhuis | 3 | 4 | | | | | | | 5 | R Krajicek | 3 | 7 | 7 | | | | | |
| Q | A Voinea | 6 | 6 | | | A Voinea | 2 | 2 | | | | | | | | | | | |
| WC | D van Scheppingen | 5 | 4 | | 5 | R Krajicek | 6 | 6 | | | | | | | | | | | |
| 5 | R Krajicek | 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 |
| 6 | S Bruguera | 7 | 6 | | | | | | | | | | | | | | |
| | H Arazi | 6$^6$ | 4 | | 6 | S Bruguera | 6$^6$ | 3 | | | | | | | | | |
| | J Novák | 7 | 3 | 6$^7$ | | J van Herck | 7 | 6 | | | | | | | | | |
| | J van Herck | 6$^4$ | 6 | 7 | | | | | | | J van Herck | 6$^8$ | 2 | | | | |
| | B Ulihrach | 6 | 6$^6$ | 6$^4$ | | | | | | | T Johansson | 7 | 6 | | | | |
| Q | K Carlsen | 4 | 7 | 7 | Q | K Carlsen | 3 | 7 | 6$^8$ | | | | | | | | |
| | T Johansson | 7 | 6 | | | T Johansson | 6 | 6$^5$ | 7 | | | | | | | | |
| 4 | Y Kafelnikov | 6$^5$ | 2 | | | | | | | | | | | | T Johansson | 6 | 7 |
| Q | R Sluiter | 3 | 5 | | | | | | | | | | | | B Steven | 3 | 5 |
| | B Steven | 6 | 7 | | | B Steven | 7 | 6$^5$ | 7 | | | | | | | | |
| | N Escudé | 3 | 4 | | | M Damm | 6$^5$ | 7 | 5 | | | | | | | | |
| | M Damm | 6 | 6 | | | | | | | | B Steven | 4 | 7 | 7 | | | |
| | M-K Goellner | 1 | 3 | | | | | | | Q | T Carbonell | 6 | 6$^5$ | 5 | | | |
| | M Tillström | 6 | 6 | | | M Tillström | 2 | 6 | 2 | | | | | | | | |
| Q | T Carbonell | 6$^5$ | 6 | 6 | Q | T Carbonell | 6 | 1 | 6 | | | | | | | | |
| 2 | J Björkman | 7 | 3 | 4 | | | | | | | | | | | | | |