| Women's singles | |
|---|---|
| 2002 AIG Japan Open Tennis Championships | |
| Champion |  Jill Craybas |
| Runner-up |  Silvija Talaja |
| Final score | 2–6, 6–4, 6–4 |
| Draw | 30 (4 Q / 2 WC ) |
| Seeds | 8 |
Monica Seles was the defending champion, but did not compete this year.
Unseeded Jill Craybas won the title by defeating Silvija Talaja 2–6, 6–4, 6–4 in the final. It was the 1st title for Craybas in her singles career.
The first two seeds received a bye into the second round.
Ai Sugiyama (quarterfinals)
Tamarine Tanasugarn (semifinals)
Arantxa Sánchez Vicario (second round)
Emmanuelle Gagliardi (second round)
Cara Black (first round)
Svetlana Kuznetsova (second round) Virginia Ruano Pascual (second round) Jelena Kostanić (quarterfinals)| Semifinals | Final | ||||||||||||
| Silvija Talaja | 6 | 6 | |||||||||||
| Sarah Taylor | 3 | 4 | |||||||||||
| Silvija Talaja | 6 | 4 | 4 | ||||||||||
| Jill Craybas | 2 | 6 | 6 | ||||||||||
| Jill Craybas | 6 | 4 | 6 | ||||||||||
| 2 | Tamarine Tanasugarn | 4 | 6 | 4 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Sugiyama | 6 | 7 | ||||||||||||||||||||||||
| A Morigami | 6 | 6 | A Morigami | 3 | 5 | ||||||||||||||||||||||
 R de los Ríos | 4 | 2 | 1 | A Sugiyama | 6 | 65 | 3 | ||||||||||||||||||||
| S Asagoe | 4 | 6 | 0 | S Talaja | 3 | 77 | 6 | ||||||||||||||||||||
| S Talaja | 6 | 3 | 6 | S Talaja | 6 | 6 | |||||||||||||||||||||
| Q |  J-h Kim | 0 | 1 | 7 | V Ruano Pascual | 2 | 3 | ||||||||||||||||||||
| 7 | V Ruano Pascual | 6 | 6 | S Talaja | 6 | 6 | |||||||||||||||||||||
| 3 | A Sánchez Vicario | 6 | 6 | S Taylor | 3 | 4 | |||||||||||||||||||||
| Q | M Kirilenko | 3 | 2 | 3 | A Sánchez Vicario | 3 | 63 | ||||||||||||||||||||
| S Taylor | 6 | 6 | S Taylor | 6 | 77 | ||||||||||||||||||||||
 E Dominikovic | 2 | 2 | S Taylor | 6 | 6 | ||||||||||||||||||||||
| A Cargill | 6 | 77 | WC | Y Yoshida | 4 | 2 | |||||||||||||||||||||
| Q | K-m Chang | 3 | 62 | A Cargill | 77 | 5 | 4 | ||||||||||||||||||||
| WC | Y Yoshida | 6 | 6 | WC | Y Yoshida | 65 | 7 | 6 | |||||||||||||||||||
| 5 | C Black | 2 | 1 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | J Kostanić | 6 | 77 | ||||||||||||||||||||||||
| S Obata | 4 | 63 | 8 | J Kostanić | 5 | 6 | 6 | ||||||||||||||||||||
| M Marrero | 6 | 6 | M Marrero | 7 | 0 | 2 | |||||||||||||||||||||
| Q | S Okamoto | 3 | 3 | 8 | J Kostanić | 2 | 1 | ||||||||||||||||||||
| J Craybas | 79 | 6 | J Craybas | 6 | 6 | ||||||||||||||||||||||
| M Saeki | 67 | 0 | J Craybas | 6 | 4 | 6 | |||||||||||||||||||||
| WC | M Sharapova | 6 | 64 | 4 | 4 | E Gagliardi | 3 | 6 | 3 | ||||||||||||||||||
| 4 | E Gagliardi | 2 | 77 | 6 | J Craybas | 6 | 4 | 6 | |||||||||||||||||||
| 6 | S Kuznetsova | 7 | 6 | 2 | T Tanasugarn | 4 | 6 | 4 | |||||||||||||||||||
 V Razzano | 5 | 2 | 6 | S Kuznetsova | 63 | 2 | |||||||||||||||||||||
 V Webb | 0 | 5 | A Molik | 77 | 6 | ||||||||||||||||||||||
| A Molik | 6 | 7 | A Molik | 4 | 6 | 1 | |||||||||||||||||||||
 K Liggan | 6 | 4 | 6 | 2 | T Tanasugarn | 6 | 1 | 6 | |||||||||||||||||||
| R Fujiwara | 3 | 6 | 2 | K Liggan | 2 | 6 | 61 | ||||||||||||||||||||
| 2 | T Tanasugarn | 6 | 1 | 77 | |||||||||||||||||||||||
Sybille Bammer was the defending champion, but chose not to participate that year.
Jelena Janković successfully defended her title, beating qualifier Alizé Cornet in the final, 6–2, 6–2.
Jelena Janković was the defending champion, but chose not to participate this year.
Anne Kremer was the defending champion but lost in the quarterfinals to Marlene Weingärtner.
Nadia Petrova was the defending champion, but she retired, due to a viral illness, in the quarterfinals against Melinda Czink.
Kim Clijsters was the defending champion, but lost in the second round to Jill Craybas.
Svetlana Kuznetsova defeated Agnieszka Radwańska 6–4, 6–7(7–9), 6–3 in the final.
Conchita Martínez was the defending champion but lost in the quarterfinals to Jennifer Capriati.
Petra Kvitová was the defending champion, but she chose not to participate this year.
Elena Dementieva was the defending champion, but didn't participate in this competition.
Meghann Shaughnessy was the defending champion, but chose not to play that year.
Polona Hercog successfully defended her title after defeating Mathilde Johansson in the final 0–6, 6–4, 7–5.
Jill Craybas and Julia Görges were the defending champions but chose not to participate.
Sandra Klemenschits and Andreja Klepač won the title, defeating Kristina Barrois and Eleni Daniilidou in the final, 6–1, 6–4.
Maria Sharapova was the defending champion, but decided not to participate this year.
The 1999 Advanta Championships of Philadelphia singles was the tennis singles event of the seventeenth edition of the Advanta Championships of Philadelphia; a WTA Tier II tournament held in Philadelphia, Pennsylvania. Steffi Graf was the defending champion but retired after Wimbledon earlier in the year.
Vera Zvonareva was the defending champion, but chose to compete in Dubai this week.
Zheng Jie was the defending champion, but did not compete this year.
Jill Craybas was the defending champion, but lost in quarterfinals to Arantxa Parra Santonja.
Eleni Daniilidou was the defending champion and successfully defended her title, by defeating Ashley Harkleroad 6–3, 6–2 in the final.
Lindsay Davenport was the two-time defending champion, but she withdrew due to injury.