Katerina Siniakova and Barbora Krejcikova of the Czech Republic play Andrea Sestini Hlavackova and Barbora Strycova of the Czech Republic in the Women's doubles semi final match on Day 7 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Indoor Stadium on October 27, 2018 in Singapore. Lampson Yip/Clicks Images