WTA · WTA 250
Katerina Siniakova vs Katie Boulter
Semifinal · Japan Open Osaka 2026
At a glance
Katerina Siniakova beat Katie Boulter 6-1 6-4. Semifinal, Japan Open Osaka 2026 (WTA 250). Head-to-head: Katerina Siniakova 1, Katie Boulter 1, from 2 matches.
Score
| Player | Set 1 | Set 2 |
|---|---|---|
 Katerina Siniakova | 6 | 6 |
 Katie Boulter | 1 | 4 |
Katerina Siniakova's path
| Round | Opponent | Result | Score |
|---|---|---|---|
| First round |  Peyton Stearns | Won | 6-4 0-6 4-0 ret. |
| Round of 16 |  Magda Linette | Won | 6-4 6-1 |
| Quarterfinal | Mary Stoiana | Won | 6-1 6-2 |
| Semifinal | Katie Boulter | Won | 6-1 6-4 |
| Final | Ashlyn Krueger | Won | 6-1 6-0 |
Katie Boulter's path
| Round | Opponent | Result | Score |
|---|---|---|---|
| First round |  Himeno Sakatsume | Won | 6-3 6-1 |
| Round of 16 |  Viktorija Golubic | Won | 6-2 6-1 |
| Quarterfinal |  Antonia Ruzic | Won | 3-6 6-3 6-3 |
| Semifinal | Katerina Siniakova | Lost | 6-1 6-4 |