# 1998 St. Petersburg Open – Singles

Thomas Johansson was the defending champion but lost in the semifinal 6–4, 6–4 against Richard Krajicek.
Richard Krajicek won in the final 6–4, 7–6$^{(7–5)}$ against Marc Rosset.

## Seeds

* Richard Krajicek (champion)
* Cédric Pioline (semifinals)
* Fabrice Santoro (quarterfinals)
* Marc Rosset (final)
* Thomas Johansson (semifinals)
* Dominik Hrbatý (quarterfinals)
* Marc-Kevin Goellner (second round)
* Daniel Vacek (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 | Richard Krajicek | 6 | 6 | | | | |
| 5 | Thomas Johansson | 4 | 4 | | | | |
| 5 | Thomas Johansson | 4 | 4 | 1 | Richard Krajicek | 6 | 7$^7$ |
| | | | | 4 | Marc Rosset | 4 | 6$^5$ |
| 4 | Marc Rosset | 6 | 6 | 4 | Marc Rosset | 4 | 6$^5$ |
| 2 | Cédric Pioline | 1 | 4 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Krajicek | 6 | 4 | 6 | | | | | | | | | | | | | |
| | J Krošlák | 1 | 6 | 3 | 1 | R Krajicek | 6$^2$ | 6 | 6 | | | | | | | | |
| | M Damm | 6 | 2 | 6$^6$ | | D Prinosil | 7$^7$ | 4 | 2 | | | | | | | | |
| | D Prinosil | 3 | 6 | 7$^8$ | | | | | | 1 | R Krajicek | 7$^7$ | 6 | | | | |
| | R Vašek | 7$^7$ | 3 | 3 | | | | | | 8 | D Vacek | 6$^4$ | 1 | | | | |
| | J Knippschild | 6$^3$ | 6 | 6 | | J Knippschild | 2 | 1 | r | | | | | | | | |
| | R Furlan | 3 | 6$^2$ | | 8 | D Vacek | 6 | 2 | | | | | | | | | |
| 8 | D Vacek | 6 | 7$^7$ | | | | | | | | | | | 1 | R Krajicek | 6 | 6 |
| 3 | F Santoro | 7$^7$ | 6 | | | | | | | | | | | 5 | T Johansson | 4 | 4 |
| | A Boetsch | 6$^4$ | 3 | | 3 | F Santoro | 6 | 7 | | | | | | | | | |
| Q | J-F Bachelot | 7 | 6 | | Q | J-F Bachelot | 3 | 5 | | | | | | | | | |
| | D Pescariu | 5 | 3 | | | | | | | 3 | F Santoro | 3 | 3 | | | | |
| Q | L Burgsmüller | 2 | 4 | | | | | | | 5 | T Johansson | 6 | 6 | | | | |
| | D Sanguinetti | 6 | 6 | | | D Sanguinetti | 2 | 2 | | | | | | | | | |
| | G Pozzi | 6$^2$ | 2 | | 5 | T Johansson | 6 | 6 | | | | | | | | | |
| 5 | T Johansson | 7$^7$ | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | D Hrbatý | 6 | 6 | | | | | | | | | | | | | | |
| | R Schüttler | 3 | 4 | | 6 | D Hrbatý | 6 | 6 | | | | | | | | | |
| Q | N Kulti | 6 | 2 | | Q | N Kulti | 3 | 4 | | | | | | | | | |
| | G Schaller | 2 | 0$^r$ | | | | | | 6 | D Hrbatý | 4 | 3 | | | | | |
| Q | O Delaître | 7 | 6 | | | | | | 4 | M Rosset | 6 | 6 | | | | | |
| | J Golmard | 5 | 1 | | Q | O Delaître | 4 | 3 | | | | | | | | | |
| WC | A Tchernenko | 2 | 3 | | 4 | M Rosset | 6 | 6 | | | | | | | | | |
| 4 | M Rosset | 6 | 6 | | | | | | | | | | | 4 | M Rosset | 6 | 6 |
| 7 | M-K Goellner | 6 | 7 | | | | | | | | | | | 2 | C Pioline | 1 | 4 |
| | JA Marín | 4 | 5 | | 7 | M-K Goellner | 4 | 4 | | | | | | | | | |
| WC | K Ivanov-Smolensky | 1 | 2 | | | H Dreekmann | 6 | 6 | | | | | | | | | |
| | H Dreekmann | 6 | 6 | | | | | | | H Dreekmann | 6 | 3 | 5 | | | | |
| | M Tillström | 6 | 3 | 4 | | | | | 2 | C Pioline | 4 | 6 | 7 | | | | |
| | J Van Herck | 3 | 6 | 6 | | J Van Herck | 3 | 4 | | | | | | | | | |
| | M Ondruska | 5 | 2 | | 2 | C Pioline | 6 | 6 | | | | | | | | | |
| 2 | C Pioline | 7 | 6 | | | | | | | | | | | | | | |