Second seed Misaki Doi cruised into the second round at the Taiwan Open in Kaohsiung.
The Japanese player took just over an hour to defeat Kristyna Pliskova 6-3 6-4 and will next face Yafan Wang or Magda Linette.
Urszula Radwanska could face top seed Venus Williams next after her 6-4 7-6 (7/1) win over Hsu Ching-wen, with the American due to face Lee Pei-chi in her first-round match.
Anastasija Sevastova overcame Kristina Kucova 4-6 7-6 (7/0) 7-6 (7/3) while Yuxuan Zhang needed two hours and 41 minutes to overcome Hiroko Kuwata 5-7 7-6 (7/3) 6-2.
In the day's other first-round match, Miyu Kato was a 7-6 (7/1) 6-3 winner over Sherazad Reix.
Source: PA