Head to head
Tied 1–1
2 meetings · Boulter wins 50%
Last meetingKaterina Siniakova 6-1 6-4 · Osaka Semi-finals · 2026-10-24
Katie Boulter and Katerina Siniakova are tied 1–1 in their 2 career meetings.
Most recently at Osaka on 2026-10-24 (Semi-finals, Hard). K. Siniakova won 6-1 6-4.
Katerina Siniakova leads 1–0 on hard courts.
Katie Boulter leads 1–0 on clay courts.