KATOWICE, POLAND – Kristyna Pliskova and No.9 seed Kirsten Flipkens kicked off their Katowice Open campaigns and battled into the second round of the International event on Monday.

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Pliskova was the first of the pair to advance in Katowice, the last hardcourt tournament before the tour completes the shift to the clay and grass seasons. She faced a stern first-round test in the form of 23-year-old Brit Heather Watson, who’s been on the rise having already won a title in Monterrey earlier this year.

“It was a really tough first round for me today,” Pliskova said afterwards.

“The surface is very different – quite slow – so it took me some time to get used to it.”

The No.88 Czech put pressure on Watson right away, unleashing her powerful lefty serve and letting lose a couple of her record-holding aces. She went up 4-1, break serve twice and grabbing the first set off Watson. But before Pliskova could run away with it, Watson turned things around to take the second set.

Into a deciding set, Pliskova ran ahead to a 3-0 lead, breaking Watson’s serve twice – Watson saved four break points in the third game alone but gave up the fourth on a mishit backhand. Watson grabbed a break back, but Pliskova’s lead was too great to surmount and the Czech took the match 6-2, 3-6, 6-4.

“I played well and Heather also played well too,” Pliskova said. “So I was pleased to come through a tough third set.”

The No.9 seed Kirsten Flipkens had a much more straightforward road into the second round at Katowice, beating Donna Vekic in an emphatic straight sets, 6-1, 6-4. She only faced one break point all match, and wrapped up the encounter in less than an hour.

Stefanie Voegele, Andreea Mitu, and Elizaveta Kulichkova also advanced.

On Tuesday, 2014 champion Alize Cornet and two-time finalist Camila Giorgi are set to make their Katowice debut.