| Singles | |
|---|---|
| 1998 ABN AMRO World Tennis Tournament | |
| Champion |  Jan Siemerink |
| Runner-up |  Thomas Johansson |
| Score | 7–6(7–2), 6–2 |
| Draw | 32 |
| Seeds | 8 |
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.
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)| Semifinals | Final | ||||||||||||
| Jan Siemerink | 6 | 4 | 6 | ||||||||||
| 5 | Richard Krajicek | 4 | 6 | 4 | |||||||||
| Jan Siemerink | 7 | 6 | |||||||||||
| Thomas Johansson | 62 | 2 | |||||||||||
| Thomas Johansson | 6 | 7 | |||||||||||
 Brett Steven | 3 | 5 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Rafter | 5 | 7 | 6 | |||||||||||||||||||||||
| WC | P Wessels | 7 | 63 | 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 | 65 | 6 | 6 | ||||||||||||||||||||
| 7 | G Ivanišević | 7 | 66 | 3 | J Siemerink | 6 | 4 | 6 | |||||||||||||||||||
| 3 | G Rusedski | 67 | 7 | 7 | 5 | R Krajicek | 4 | 6 | 4 | ||||||||||||||||||
 K Alami | 7 | 63 | 64 | 3 | G Rusedski | 6 | 6 | ||||||||||||||||||||
 R Reneberg | 2 | 6 | 7 | R Reneberg | 3 | 2 | |||||||||||||||||||||
| T Nydahl | 6 | 4 | 5 | 3 | G Rusedski | 6 | 62 | 63 | |||||||||||||||||||
| 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 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | S Bruguera | 7 | 6 | ||||||||||||||||||||||||
| H Arazi | 66 | 4 | 6 | S Bruguera | 66 | 3 | |||||||||||||||||||||
| J Novák | 7 | 3 | 67 |  J van Herck | 7 | 6 | |||||||||||||||||||||
| J van Herck | 64 | 6 | 7 | J van Herck | 68 | 2 | |||||||||||||||||||||
| B Ulihrach | 6 | 66 | 64 | T Johansson | 7 | 6 | |||||||||||||||||||||
| Q |  K Carlsen | 4 | 7 | 7 | Q | K Carlsen | 3 | 7 | 68 | ||||||||||||||||||
| T Johansson | 7 | 6 | T Johansson | 6 | 65 | 7 | |||||||||||||||||||||
| 4 | Y Kafelnikov | 65 | 2 | T Johansson | 6 | 7 | |||||||||||||||||||||
| Q | R Sluiter | 3 | 5 | B Steven | 3 | 5 | |||||||||||||||||||||
| B Steven | 6 | 7 | B Steven | 7 | 65 | 7 | |||||||||||||||||||||
| N Escudé | 3 | 4 | M Damm | 65 | 7 | 5 | |||||||||||||||||||||
| M Damm | 6 | 6 | B Steven | 4 | 7 | 7 | |||||||||||||||||||||
 M-K Goellner | 1 | 3 | Q | T Carbonell | 6 | 65 | 5 | ||||||||||||||||||||
| M Tillström | 6 | 6 | M Tillström | 2 | 6 | 2 | |||||||||||||||||||||
| Q | T Carbonell | 65 | 6 | 6 | Q | T Carbonell | 6 | 1 | 6 | ||||||||||||||||||
| 2 | J Björkman | 7 | 3 | 4 | |||||||||||||||||||||||
Thomas Muster defeated MaliVai Washington in the final, 7–6(8–6), 2–6, 6–3, 6–4 to win the singles tennis title at the October edition of the 1995 Eurocard Open.
Pete Sampras defeated Boris Becker in the final, 7–6(7–5), 6–4, 6–4 to win the singles tennis title at the 1995 Paris Open.
Goran Ivanišević was the defending champion but lost in the semifinals to Daniel Vacek.
Chris Woodruff defeated Gustavo Kuerten in the final, 7–5, 4–6, 6–3 to win the men's singles tennis title at the 1997 Canadian Open.
Patrick Rafter defeated Richard Krajicek in the final, 7–6,(7–3), 6–4 to win the men's singles tennis title at the 1998 Canadian Open.
Richard Krajicek defeated Yevgeny Kafelnikov in the final, 6–4, 6–3, 6–3 to win the singles tennis title at the 1998 Eurocard Open.
Richard Krajicek defeated Sébastien Grosjean in the final, 4–6, 6–1, 6–2, 7–5 to win the men's singles tennis title at the 1999 Miami Open.
Boris Becker was the defending champion but lost in the quarterfinals to Richard Krajicek.
Andre Agassi was the defending champion but did not compete that year.
Michael Chang was the defending champion but lost in the final 6–4, 3–6, 6–4 against Pete Sampras.
The 1996 Japan Open Tennis Championships included this tournament in men's singles. Jim Courier was the defending champion but did not compete that year.
Karol Kučera was the defending champion but did not compete that year.
Michael Stich was the defending champion but lost in the first round to Scott Draper.
Richard Krajicek was the defending champion but not did compete that year.
Alex Antonitsch was the defending champion, but he lost in the quarterfinals this year.
Richard Krajicek was the defending champion, but lost in the quarterfinals this year.
Richard Krajicek was the defending champion, but he withdrew prior to his quarterfinal match this year.
Richard Krajicek and Jan Siemerink were the defending champions, but Krajicek did not participate this year. Siemerink partnered Daniel Vacek, losing in the semifinals.
Patrick Rafter was the defending champion and defended his title defeating Andrei Pavel 3–6, 7–6(9–7), 6–4 in the final.
Sergio Casal and Emilio Sánchez were the defending champions, but none competed this year. Sánchez opted to rest after winning at Stuttgart in the previous week, alongside Wally Masur.