Krejčíková and Siniaková into Melbourne quarter- finals

Barbora Krejčíková and Kateřina Siniaková have reached the quarter-finals of the women’s doubles at tennis’s Australian Open. The Czech pair overcame Danielle Collins and Desirae Krawczyk of the United States 6-4 6-4 on Monday.

Krejčíková is also into the quarter-finals of the singles in Melbourne. The fourth seed will face American Madison Keys on Tuesday for a place in the semis.