Chinese Shuai Zhang moved into the last 16 of the US Open by winning against Canadian Rebecca Marino 6-2, 6-4 at the USTA Billie Jean King National Tennis Center in New York City on Friday evening.
Zhang, ranked No 36, will face the winner of the match between No 20 seed Madison Keys and No 12 seed Coco Gauff next.
The 33-year-old Chinese defeated Swiss Jil Teichmann, the No 30 seed (6-4, 6-2) and Slovak Anna Karolina Schmiedlova (7-5, 6-1) ahead of her victory.
In the previous rounds of the Flushing Meadows, Marino, ranked No 106, beat Pole Magdalena Frech (6-2, 6-3) and Ukrainian qualifier Daria Snigur (6-3, 7-6 (5)).
New York City (Grand Slam), other third-round results (USTA Billie Jean King National Tennis Center, hard, USD 40.560.000, most recent results first):
- Alize Cornet vs. Danielle Collins
- Iga Swiatek vs. Lauren Davis
- Clara Burel vs. Aryna Sabalenka
- Jule Niemeier vs. Qinwen Zheng
- Karolina Pliskova vs. Belinda Bencic
- Petra Martic vs. Victoria Azarenka
- Yue Yuan vs. Jessica Pegula
- Garbine Muguruza vs. Petra Kvitova
- Ajla Tomljanovic vs. Serena Williams
- Bianca Andreescu vs. Caroline Garcia
- Alison Riske-Amritraj vs. Xiyu Wang
- Madison Keys vs. Coco Gauff
- Liudmila Samsonova vs. Aleksandra Krunic
- Veronika Kudermetova (18) beat Dalma Galfi: 6-2, 6-0
- Ons Jabeur (5) beat Shelby Rogers (31): 4-6, 6-4, 6-3