Korea Open: Birrell into second round

Australian Kimberly Birrell reached the second round of the Korea Open by winning against American qualifier Sachia Vickery 6-4, 6-4 at the Victoria Park Tennis Stadium in Hong Kong on Tuesday night.

Birrell, ranked No 102, will play the winner of the match between wildcard Dayeon Back and Latvian Jelena Ostapenko, the second seed, next.

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

• Kayla Day vs. Marie Bouzkova
• Dayeon Back vs. Jelena Ostapenko: tuesday
• Jessica Pegula (1) beat Viktoria Hruncakova: 6-2, 6-4
• Laura Pigossi vs. Emina Bektas: tuesday
• Su Jeong Jang beat Sofia Kenin (5): 6-1, 6-4
• Eva Lys beat Anna Karolina Schmiedlova: 6-2, 6-4
• Ashlyn Krueger beat Nadia Podoroska: 6-2, 6-4
• Kaja Juvan beat Katie Boulter (8): 6-4, 6-4
• Arantxa Rus (7) beat Na-Lae Han (WC): 6-1, 6-3
• Yue Yuan beat Arianne Hartono (Q): 6-1, 6-2
• Polina Kudermetova beat Alycia Parks (6): 3-6, 6-1, 6-0
• Ekaterina Alexandrova (3) beat Mai Hontama: 6-3, 6-1
• Kathinka von Deichmann beat Irina Khromacheva (LL): 5-7, 6-4, 3-0 ret.
• Yanina Wickmayer beat En-Shuo Liang (Q): 6-3, 6-4
• Claire Liu beat Yeonwoo Ku (Q): 6-3, 6-3