Korea Open: Liu advances to second round

American Claire Liu won against qualifier Yeonwoo Ku 6-3, 6-3 to advance to the second round of the Korea Open in Seoul on Monday night.

Liu, ranked No 98, will play the winner of the match between wildcard Na-Lae Han and Dutchwoman Arantxa Rus, the No 7 seed, next.

Korea Open WTA 250, other first-round results, most recent results first):

• Dayeon Back vs. Jelena Ostapenko
• Sachia Vickery vs. Kimberly Birrell
• Laura Pigossi vs. Emina Bektas
• Sofia Kenin vs. Su Jeong Jang
• Kayla Day vs. Marie Bouzkova
• Eva Lys vs. Anna Karolina Schmiedlova
• Nadia Podoroska vs. Ashlyn Krueger
• Jessica Pegula vs. Viktoria Hruncakova
• Katie Boulter vs. Kaja Juvan
• Na-Lae Han vs. Arantxa Rus
• Arianne Hartono vs. Yue Yuan
• Polina Kudermetova vs. Alycia Parks
• Ekaterina Alexandrova vs. Mai Hontama
• Kathinka von Deichmann vs. Irina Khromacheva: monday
• En-Shuo Liang vs. Yanina Wickmayer: monday