2000 WTA Tour Championships – Singles

Martina Hingis defeated Monica Seles in the final, 6–7(5–7), 6–4, 6–4 to win the singles tennis title at the 2000 WTA Tour Championships. It was her second Tour Finals singles title.

Lindsay Davenport was the defending champion, but lost in the first round to Elena Dementieva.

Seeds
• # Martina Hingis (champion)

• # 🇺🇸 Lindsay Davenport (first round)

• # 🇺🇸 Monica Seles (final)

• # 🇪🇸 Conchita Martínez (quarterfinals)

• # 🇪🇸 Arantxa Sánchez Vicario (first round)

• # 🇫🇷 Nathalie Tauziat (quarterfinals)

• # 🇷🇺 Anna Kournikova (semifinals)

• # 🇺🇸 Chanda Rubin (first round) Notes:
 * 🇺🇸 Venus Williams had qualified but pulled out due to anemia
 * 🇺🇸 Serena Williams had qualified but pulled out due to left foot injury
 * 🇫🇷 Mary Pierce had qualified but pulled out due to right hand injury
 * 🇫🇷 Amélie Mauresmo had qualified but pulled out due to left leg injury
 * 🇩🇪 Anke Huber had qualified but pulled out due to right wrist injury