Carlos Moyá defeated Àlex Corretja in the final, 6–3, 7–5, 6–3 to win the men's singles tennis title at the 1998 French Open. It was his first and only major singles title. Gustavo Kuerten was the defending champion, but he lost in the second round to future world No. 1 and two-time major champion Marat Safin, who was appearing in the main draw of a major for the first time.

Seeds

• 🇺🇸 Pete Sampras (second round) • 🇨🇿 Petr Korda (first round) • Marcelo Ríos (quarterfinals) • 🇦🇺 Pat Rafter (second round) • 🇬🇧 Greg Rusedski (first round) • 🇷🇺 Yevgeny Kafelnikov (second round) • 🇸🇪 Jonas Björkman (first round) • 🇧🇷 Gustavo Kuerten (second round) • 🇸🇰 Karol Kučera (first round) • 🇳🇱 Richard Krajicek (third round) • 🇺🇸 Michael Chang (third round) • 🇪🇸 Carlos Moyá (champion) • 🇪🇸 Albert Costa (fourth round) • 🇪🇸 Àlex Corretja (final) • 🇪🇸 Félix Mantilla (semifinals) • 🇪🇸 Alberto Berasategui (fourth round)

Qualifying

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8