| Singles | |
|---|---|
| 1996 Nichirei International Championships | |
| 1995 Champion |  Mary Pierce |
| Champion |  Monica Seles |
| Runner-up |  Arantxa Sánchez Vicario |
| Final score | 6–1, 6–4 |
Mary Pierce was the defending champion but lost in the quarterfinals to Kimberly Po.
Monica Seles won in the final 6–1, 6–4 against Arantxa Sánchez Vicario.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
Monica Seles (champion) Arantxa Sánchez Vicario (final)
Kimiko Date (semifinals) Mary Pierce (quarterfinals)
Amanda Coetzer (quarterfinals) Ai Sugiyama (second round) Naoko Sawamatsu (quarterfinals)
Shi-Ting Wang (quarterfinals)| Final | ||||||
| 1 | Monica Seles | 6 | 6 | |||
| 2 | Arantxa Sánchez Vicario | 1 | 4 | |||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Seles | 6 | 6 | ||||||||||||||||||||||||
| M Endo | 6 | 6 | M Endo | 4 | 4 | ||||||||||||||||||||||
| Y Kamio | 1 | 4 | 1 | M Seles | 6 | 6 | |||||||||||||||||||||
| WC | Y Yoshida | 2 | 6 | 6 | 7 | N Sawamatsu | 1 | 4 | |||||||||||||||||||
| Q |  L Varmužová | 6 | 3 | 4 | WC | Y Yoshida | 2 | 1 | |||||||||||||||||||
| A Grossman | 1 | 3 | 7 | N Sawamatsu | 6 | 6 | |||||||||||||||||||||
| 7 | N Sawamatsu | 6 | 6 | 1 | M Seles | 6 | 1 | 7 | |||||||||||||||||||
| 3 | K Date | 4 | 6 | 6 | |||||||||||||||||||||||
| 3 | K Date | 4 | 6 | 6 | |||||||||||||||||||||||
| N Miyagi | 7 | 7 | N Miyagi | 6 | 4 | 3 | |||||||||||||||||||||
| Q | H Inoue | 6 | 6 | 3 | K Date | 6 | 6 | ||||||||||||||||||||
| J Watanabe | 1 | 2 | 5 | A Coetzer | 3 | 0 | |||||||||||||||||||||
| N Kijimuta | 6 | 6 | N Kijimuta | 6 | 2 | ||||||||||||||||||||||
| Q |  K-A Guse | 1 | 2 | 5 | A Coetzer | 7 | 6 | ||||||||||||||||||||
| 5 | A Coetzer | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Sugiyama | 6 | 6 | ||||||||||||||||||||||||
| A Gerši | 1 | 4 | 6 | A Sugiyama | 2 | 7 | 4 | ||||||||||||||||||||
| WC | M Saeki | 2 | 1 | K Po | 6 | 6 | 6 | ||||||||||||||||||||
| K Po | 6 | 6 | K Po | 7 | 6 | ||||||||||||||||||||||
 S-H Park | 7 | 6 | 4 | M Pierce | 5 | 4 | |||||||||||||||||||||
| Q |  T Tanasugarn | 6 | 2 | S-H Park | 5 | 2 | |||||||||||||||||||||
| 4 | M Pierce | 7 | 6 | ||||||||||||||||||||||||
| K Po | 4 | 3 | |||||||||||||||||||||||||
| 8 | S-T Wang | 6 | 6 | 2 | A Sánchez Vicario | 6 | 6 | ||||||||||||||||||||
| R Hiraki | 1 | 3 | 8 | S-T Wang | 6 | 7 | |||||||||||||||||||||
 A Glass | 6 | 6 | A Glass | 1 | 5 | ||||||||||||||||||||||
| A Ellwood | 4 | 4 | 8 | S-T Wang | 6 | 1 | 1 | ||||||||||||||||||||
| K Nagatsuka | 4 | 6 | 2 | 2 | A Sánchez Vicario | 4 | 6 | 6 | |||||||||||||||||||
 R Grande | 6 | 2 | 6 | R Grande | 2 | 1 | |||||||||||||||||||||
| 2 | A Sánchez Vicario | 6 | 6 | ||||||||||||||||||||||||
Monica Seles was the reigning champion but did not compete that year.
Kimiko Date was the defending champion but lost in the second round to Naoko Sawamatsu.
Steffi Graf was the defending champion but did not compete that year.
Monica Seles was the defending champion, and successfully defended her title, defeating Arantxa Sánchez Vicario in the final 6–1, 7–6(7–2).
Arantxa Sánchez Vicario was the defending champion but lost in the third round to Amanda Coetzer.
Conchita Martínez was the four-time defending champion but lost in the final to Mary Pierce, 6–4, 6–0.
Jana Novotná was the defending champion and won in the final 7–5, 6–1 against Monica Seles.
Monica Seles was the defending champion but lost in the quarterfinals to Brenda Schultz-McCarthy.
Kimiko Date was the defending champion but she had retired at the end of the previous year.
Lindsay Davenport was the defending champion but lost in the final 5–7, 7–5, 6–4 against Monica Seles.
Monica Seles was the defending champion and won in the final 6–2, 6–4 against Anke Huber.
Monica Seles won in the final 6–1, 3–6, 7–6 against Arantxa Sánchez Vicario.
Martina Hingis was the defending champion but did not compete that year.
Mary Pierce was the defending champion but lost in the third round to Mirjana Lučić.
Monica Seles was the defending champion but lost in the semifinals to Lindsay Davenport.
The 1998 du Maurier Open women's singles was the women's singles event of the one hundred and ninth edition of the Canadian Open; a WTA Tier I tournament and the most prestigious women's tennis tournament held in Canada. Monica Seles was the defending champion and won in the final 6–3, 6–2 against Arantxa Sánchez Vicario.
Monica Seles was the defending champion and won in the final 4–6, 6–3, 6–4 against Arantxa Sánchez Vicario.
Martina Hingis defeated Lindsay Davenport in the final, 7–5, 6–4, 4–6, 6–2 to win the singles tennis title at the 1998 Chase Championships.
Arantxa Sánchez Vicario was the defending champion, but lost in the third round to Helena Suková.
Monica Seles was the defending champion, but lost in quarterfinals to Jennifer Capriati.