Cincinnati Open 1998
Patrick Rafter won the title, beating Pete Sampras 1–6 7–6(2) 6–4 in the final.
Latest results
- Semifinal: Pete Sampras def. Magnus Larsson 7–5 2–6 6–1
- Semifinal: Patrick Rafter def. Yevgeny Kafelnikov 7–5 6–0
- Quarterfinal: Pete Sampras def. Vincent Spadea 6–3 6–2
- Quarterfinal: Magnus Larsson def. Thomas Johansson 6–4 7–6(2)
Cincinnati Masters 1998 1998
- Defending champion
- Pete Sampras
Ranking points by round
| Champion | 1,000 |
| Runner-up | 650 |
| Semifinal | 400 |
| Quarterfinal | 200 |
| Round of 16 | 100 |
| Round of 32 | 50 |
| Round of 64 | 30 |
| Round of 128 | 10 |
| Qualifier bonus | 20 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 1997 | Pete Sampras | Thomas Muster |
| 1996 | Andre Agassi | Michael Chang |
| 1995 | Andre Agassi | Michael Chang |
| 1994 | Michael Chang | Stefan Edberg |
| 1993 | Michael Chang | Stefan Edberg |
| 1992 | Pete Sampras | Ivan Lendl |
| 1991 | Guy Forget | Pete Sampras |
| 1990 | Stefan Edberg | Brad Gilbert |
Matches by round
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Quarterfinals
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Round of 16
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Round of 32
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Round of 64
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