1998 Compaq Grand Slam Cup – Men's singles
# 1998 Compaq Grand Slam Cup – Men's singles

Marcelo Ríos won in the final 6–4, 2–6, $7–6^{(7–1)},$ 5–7, 6–3 against Andre Agassi. It was Ríos' 6th title of the year and the 11th of his career.

## Seeds

Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.

* Petr Korda (quarterfinals)
* Marcelo Ríos (champion)
* Mark Philippoussis (semifinals)
* Goran Ivanišević (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

| First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | 1 | Petr Korda | 6 | 0 | 1 | | | | | | | | | | | | | | |
| | Cédric Pioline | 0 | 0 | WC | Andre Agassi | 4 | 6 | 6 | | | | | | | | | | | | | | |
| WC | Andre Agassi | 6 | 6 | | | | | | WC | Andre Agassi | $7^7$ | $6^5$ | 2 | 7 | 6 | | | | | | | |
| | | | | | | | | | | Karol Kučera | $6^1$ | $7^7$ | 6 | 5 | 0 | | | | | | | |
| | | | | 4 | Goran Ivanišević | 7 | 4 | 6 | | | | | | | | | | | | | | |
| | Karol Kučera | 6 | 6 | | Karol Kučera | 5 | 6 | 8 | | | | | | | | | | | | | | |
| Alt | Hicham Arazi | 4 | 4 | | | | | | | | | | | | | WC | Andre Agassi | 4 | 6 | $6^1$ | 7 | 3 |
| | Tim Henman | 5 | 3 | | | | | | | | | | | | | 2 | Marcelo Ríos | 6 | 2 | $7^7$ | 5 | 6 |
| Alt | Jonas Björkman | 7 | 6 | Alt | Jonas Björkman | 6 | $6^1$ | 1 | | | | | | | | | | | | | | |
| | | | | 3 | Mark Philippoussis | 4 | $7^7$ | 6 | | | | | | | | | | | | | | |
| | | | | | | | | | 3 | Mark Philippoussis | $6^4$ | 3 | 4 | | | | | | | | | |
| Alt | Nicolas Escudé | 3 | 3 | | | | | | 2 | Marcelo Ríos | $7^7$ | 6 | 6 | | | | | | | | | |
| Alt | Félix Mantilla | 6 | 6 | Alt | Félix Mantilla | $6^2$ | 5 | | | | | | | | | | | | | | | |
| | | | | 2 | Marcelo Ríos | $7^7$ | 7 | | | | | | | | | | | | | | | |
