2002 Western & Southern Financial Group Masters – Singles

Carlos Moyá defeated Lleyton Hewitt in the final, 7–5, 7–6(7–5) to win the singles tennis title at the 2002 Cincinnati Masters.

Gustavo Kuerten was the defending champion, but lost in the first round to Tim Henman.

Seeds
• # 🇦🇺 Lleyton Hewitt (final)

• # 🇷🇺 Marat Safin (first round)

• # 🇩🇪 Tommy Haas (first round)

• # 🇬🇧 Tim Henman (second round)

• # 🇷🇺 Yevgeny Kafelnikov (first round)

• # 🇺🇸 Andre Agassi (quarterfinals)

• # 🇪🇸 Albert Costa (second round)

• # 🇪🇸 Juan Carlos Ferrero (semifinals)

• # 🇸🇪 Thomas Johansson (first round)

• # Roger Federer (first round)

• # 🇫🇷 Sébastien Grosjean (first round)

• # 🇺🇸 Andy Roddick (quarterfinals)

• # 🇨🇿 Jiří Novák (first round)

• # 🇦🇷 David Nalbandian (first round)

• # 🇺🇸 Pete Sampras (second round)

• # 🇪🇸 Carlos Moyá (champion)

Qualifying seeds
• # 🇪🇸 Alberto Martín (qualifying competition)

• # 🇹🇭 Paradorn Srichaphan (qualifying competition)

• # 🇦🇺 Wayne Arthurs (qualified)

• # 🇺🇸 Vince Spadea (qualifying competition, retired)

• # 🇦🇺 Mark Philippoussis (qualified)

• # 🇨🇿 Radek Štěpánek (first round)

• # Kristian Pless (first round)

• # 🇫🇷 Michaël Llodra (first round)

• # 🇰🇷 Lee Hyung-taik (qualified)

• # 🇦🇷 Guillermo Coria (qualified)

• # Martin Verkerk (first round)

• # 🇺🇸 Robby Ginepri (qualified)

• # Kenneth Carlsen (first round)

• # Cecil Mamiit (first round)

• # 🇺🇸 Alex Kim (first round)

• # 🇺🇿 Oleg Ogorodov (qualifying competition)

Qualifiers
• # Ramón Delgado

• # 🇺🇸 Robby Ginepri

• # 🇦🇺 Wayne Arthurs

• # 🇦🇷 Guillermo Coria

• # 🇦🇺 Mark Philippoussis

• # 🇮🇱 Noam Okun

• # 🇰🇷 Lee Hyung-taik

• # 🇫🇷 Cyril Saulnier