Intro:

Agnieszka Radwanska, Kaia Kanepi, Sofia Arvidsson and Simona Halep win through to the semi-finals of the Brussels Open on Thursday.

Script:

World number three Agnieszka Radwanska booked her place in the semi-finals of the Brussels Open on Thursday.

The Polish top seed was in impressive form against Alison van Uytvanck.

Radwanska beat the Belgian 6-2 6-1 to secure her place in the last four.

Radwanska's sister, Urszula, was unable to join her sibling in the semis.

The 21-year-old losing 7-5 6-4 to Sweden's Sofia Arvidsson.

Eighth seed Kaia Kanepi was in dominant form on Thursday when she faced Tsvetana Pironkova.

The Estonian set up a meeting against Agnieszka Radwanska with a comfortable 6-3 6-1 win.

Meanwhile Simona Halep completed the semi-final line-up by knocking out the fourth seed Dominika Cibulkova.

The Romanian lost the first set to love, but fought back to win the match 0-6 6-4 6-3.

She'll face Arvidsson for a place in the final.