Tokyo 2018 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Karolina Pliskova | d. | Naomi Osaka | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Karolina Pliskova | d. | Donna Vekic | 6-2 4-6 6-3 |
| Naomi Osaka | d. | Camila Giorgi | 6-2 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Donna Vekic | d. | Caroline Garcia | 6-3 6-4 |
| Karolina Pliskova | d. | Alison Riske Amritraj | 6-1 6-7(5) 7-6(4) |
| Naomi Osaka | d. | Barbora Strycova | 6-3 6-4 |
| Camila Giorgi | d. | Victoria Azarenka | 5-3 RET |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Caroline Garcia | d. | Anastasia Pavlyuchenkova | 6-4 2-6 7-5 |
| Donna Vekic | d. | Johanna Konta | 6-3 7-5 |
| Karolina Pliskova | d. | Daria Saville | 4-6 6-4 6-4 |
| Alison Riske Amritraj | d. | Garbine Muguruza | 6-1 6-2 |
| Barbora Strycova | d. | Anett Kontaveit | 7-6(5) 3-6 7-5 |
| Naomi Osaka | d. | Dominika Cibulkova | 6-2 6-1 |
| Victoria Azarenka | d. | Ashleigh Barty | 6-4 6-2 |
| Camila Giorgi | d. | Caroline Wozniacki | 6-2 2-6 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Anastasia Pavlyuchenkova | d. | Aliaksandra Sasnovich | 6-3 6-4 |
| Johanna Konta | d. | Gabriela Dabrowski | 6-2 6-0 |
| Donna Vekic | d. | Sloane Stephens | 6-4 6-4 |
| Daria Saville | d. | Kristyna Pliskova | 7-6(2) 3-6 7-6(8) |
| Alison Riske Amritraj | d. | Eugenie Bouchard | 6-4 6-4 |
| Garbine Muguruza | d. | Belinda Bencic | 6-2 6-4 |
| Barbora Strycova | d. | Zarina Diyas | 6-4 6-4 |
| Anett Kontaveit | d. | Kristina Mladenovic | 6-3 7-6(5) |
| Dominika Cibulkova | d. | Nao Hibino | 6-1 5-7 6-3 |
| Ashleigh Barty | d. | Coco Vandeweghe | 4-6 6-3 7-5 |
| Victoria Azarenka | d. | Kurumi Nara | 6-4 7-5 |
| Camila Giorgi | d. | Misaki Doi | 6-2 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0