US Open: Kostyuk moves into second round

Ukrainian Marta Kostyuk reached the second round of the US Open by defeating Egyptian Mayar Sherif 7-6 (2), 6-4 at the USTA Billie Jean King National Tennis Center in New York City on Tuesday night.

Kostyuk, ranked No 65, will face the winner of the match between American qualifier Ashlyn Krueger and Belarusian Victoria Azarenka, the No 26 seed, next.

US OPEN, NEW YORK CITY (GRAND SLAM), OTHER FIRST-ROUND MATCHES:

• Naomi Osaka vs. Danielle Collins
• Peyton Stearns vs. Ekaterina Alexandrova: wednesday
• Ashlyn Krueger vs. Victoria Azarenka: tuesday
• Emma Raducanu vs. Alize Cornet: tuesday
• Taylor Townsend vs. Katerina Siniakova: tuesday
• Sofia Kenin vs. Jule Niemeier: tuesday
• Cristina Bucsa (Q) beat Kaja Juvan: 6-4, 6-4
• Yulia Putintseva beat Amanda Anisimova (24): 6-3, 6-3
• Irina-Camelia Begu beat Elise Mertens (32): 3-6, 6-2, 6-3
• Petra Martic beat Varvara Gracheva: 6-4, 7-6 (3)
• Yue Yuan (Q) beat Jaimee Fourlis (WC): 6-3, 6-2
• Alison Van Uytvanck beat Venus Williams (WC): 6-1, 7-6 (5)
• Lauren Davis beat Lucia Bronzetti: 4-6, 7-6 (3), 5-4 ret.
• Belinda Bencic (13) beat Andrea Petkovic: 6-2, 4-6, 6-4
• Paula Badosa (4) beat Lesia Tsurenko: 3-6, 7-6 (4), 6-3
• Aliaksandra Sasnovich beat Elisabetta Cocciaretto (Q): 6-2, 6-4
• Clara Burel (Q) beat Elena Rybakina (25): 6-4, 6-4
• Anastasia Potapova beat Claire Liu: 6-1, 6-4
• Anhelina Kalinina beat Bernarda Pera: 6-4, 6-4
• Petra Kvitova (21) beat Erika Andreeva (Q): 7-6 (3), 6-0
• Sloane Stephens beat Greet Minnen: 1-6, 6-3, 6-3
• Jessica Pegula (8) beat Viktorija Golubic (Q): 6-2, 6-2
• Iga Swiatek (1) beat Jasmine Paolini: 6-3, 6-0
• Aryna Sabalenka (6) beat Catherine Harrison (Q): 6-1, 6-3
• Kaia Kanepi beat Tereza Martincova: 7-6 (4), 6-3
• Sorana Cirstea beat Laura Siegemund: 6-4, 6-4
• Marie Bouzkova beat Linda Noskova (Q): 6-2, 6-7 (3), 6-2
• Karolina Pliskova (22) beat Magda Linette: 6-2, 4-6, 7-6 (8)
• Linda Fruhvirtova (Q) beat Xinyu Wang: 6-3, 6-4
• Garbine Muguruza (9) beat Clara Tauson: 6-3, 7-6 (5)
• Qinwen Zheng beat Jelena Ostapenko (16): 6-3, 3-6, 6-4
• Leylah Fernandez (14) beat Oceane Dodin: 6-3, 6-4
• Viktoria Kuzmova (Q) beat Sara Sorribes Tormo: 6-3, 6-4
• Liudmila Samsonova beat Sara Bejlek (Q): 6-3, 6-1
• Serena Williams beat Danka Kovinic: 6-3, 6-3
• Aleksandra Krunic beat Elina Avanesyan (Q): 6-4, 6-4
• Anna Karolina Schmiedlova beat Nadia Podoroska: 6-3, 6-2
• Anett Kontaveit (2) beat Jaqueline Cristian: 6-3, 6-0
• Barbora Krejcikova (23) beat Fernanda Contreras Gomez (Q): 6-0, 6-4
• Shelby Rogers (31) beat Arantxa Rus: 3-6, 6-3, 6-4
• Ajla Tomljanovic beat Karolina Muchova: 6-3, 7-6 (5)
• Shuai Zhang beat Jil Teichmann (30): 6-4, 6-2
• Elena-Gabriela Ruse beat Daria Saville: 3-6, 6-2, 6-4
• Rebecca Marino beat Magdalena Frech: 6-2, 6-3
• Evgeniya Rodina beat Martina Trevisan (27): 7-5, 6-1
• Ons Jabeur (5) beat Madison Brengle: 7-5, 6-2
• Xiyu Wang beat Diane Parry: 5-7, 6-3, 6-3
• Madison Keys (20) beat Dayana Yastremska: 7-6 (3), 6-3
• Harriet Dart beat Daria Kasatkina (10): 7-6 (8), 1-6, 6-3
• Camila Giorgi beat Anna Bondar: 4-6, 6-3, 6-1
• Beatriz Haddad Maia (15) beat Ana Konjuh: 6-0, 6-0
• Coco Gauff (12) beat Leolia Jeanjean (Q): 6-2, 6-3
• Maryna Zanevska beat Coco Vandeweghe (WC): 6-1, 7-5
• Dalma Galfi beat Nuria Parrizas Diaz: 6-4, 6-3
• Daria Snigur (Q) beat Simona Halep (7): 6-2, 0-6, 6-4
• Elizabeth Mandlik (WC) beat Tamara Zidansek: 5-7, 7-6 (3), 6-4
• Bianca Andreescu beat Harmony Tan (WC): 6-0, 3-6, 6-1
• Maria Sakkari (3) beat Tatjana Maria: 6-4, 3-6, 6-0
• Veronika Kudermetova (18) beat Donna Vekic: 7-5, 6-3
• Camila Osorio beat Ann Li: 1-6, 6-3, 6-1
• Alison Riske-Amritraj (29) beat Eleana Yu (WC): 6-2, 6-4
• Caroline Garcia (17) beat Kamilla Rakhimova (LL): 6-2, 6-4
• Anna Kalinskaya beat Rebecca Peterson: 6-4, 6-3