Top seeds move on to semi-finals in Singapore Open

SINGAPORE: No. 1 seed Anna Kalinskaya of Russia and No. 2 seed Elise Mertens of Belgium advanced to the semi-finals of the Singapore Open with their respective victories on Friday.

Kalinskaya fended off Thailand's Mananchaya Sawangkaew 6-3, 4-6, 6-0, while Mertens was a 6-4, 6-2 winner over sixth seed Camila Osorio of Colombia.

Mertens will face No. 4 seed Xinyu Wang of China, who saved all eight break points she faced in a marathon 6-7 (7-5), 7-6 (7-5), 6-4 victory over Switzerland's Jil Teichmann in three hours and 19 minutes.

Kalinskaya's semi-final opponent is American Ann Li, who won a pair of tiebreakers to beat Australian Kimberly Birrell 7-6 (7-2), 7-6 (7-4).

Upper Austria Ladies Linz

Top seed Karolina Muchova of the Czech Republic went the distance in a 6-3, 3-6, 6-3 quarter-final win over sixth seed Anastasia Potapova of Russia in Linz, Austria.

Muchova fired nine aces with only one double fault and saved 11 of 12 break points in her victory. In the semi-finals, she will face fourth seed Ekaterina Alexandrova of Russia, who rallied past Croatia's Petra Martic 3-6, 6-2, 6-2.

No. 5 seed Dayana Yastremska of Ukraine took down No. 3 seed Maria Sakkari of Greece 7-5, 6-0. And Danish eighth seed Clara Tauson moved on past Russia's Anna Blinkova 6-4, 6-3. - REUTERS