2003 Pilot Pen Tennis – Singles

Venus Williams was the defending champion, but she chose not to compete this year.

Jennifer Capriati won the title after Lindsay Davenport retired from the final with the scoreline at 6–2, 4–0.

Seeds
The first four seeds received a bye into the second round. • # 🇺🇸 Lindsay Davenport (final)

• # 🇫🇷 Amélie Mauresmo (semifinals)

• # 🇺🇸 Jennifer Capriati (champion)

• # 🇸🇰 Daniela Hantuchová (second round)

• # 🇷🇺 Anastasia Myskina (first round)

• # 🇧🇬 Magdalena Maleeva (second round)

• # 🇪🇸 Conchita Martínez (second round)

• # 🇯🇵 Ai Sugiyama (quarterfinals)

Seeds
• # 🇮🇹 Silvia Farina Elia (qualifying competition, lucky loser)

• # 🇹🇭 Tamarine Tanasugarn (qualified)

• # Maja Matevžič (second round)

• # 🇨🇿 Denisa Chládková (second round)

• # 🇦🇺 Alicia Molik (qualified)

• # 🇫🇷 Marion Bartoli (second round)

• # 🇫🇷 Émilie Loit (withdrew)

• # Tina Pisnik (qualified)

• # Cara Black (qualified)

• # 🇦🇹 Barbara Schett (withdrew)

• # 🇪🇸 María Sánchez Lorenzo (second round)

• # 🇫🇷 Virginie Razzano (second round)

Qualifiers
• # Myriam Casanova

• # 🇹🇭 Tamarine Tanasugarn

• # 🇮🇹 Rita Grande

• # Tina Pisnik

• # 🇦🇺 Alicia Molik

• # Cara Black

Lucky losers
• # 🇮🇹 Silvia Farina Elia

• # 🇯🇵 Saori Obata

• # 🇺🇦 Tatiana Perebiynis