Korea Open: Liu advances to second round
Claire Liu won against Yeonwoo Ku 6-3, 6-3 on Monday night. She’ll play the winner of the match between wildcard Na-Lae Han and Dutchwoman Arantxa Rus, the No 7 seed, in the next 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