Australian Open: Adelaide champ Ostapenko through to second round

Latvian Jelena Ostapenko, the No 11 seed, moved into the second round of the Australian Open by beating Australian wildcard Kimberly Birrell 7-6 (5), 6-1 at Melbourne Park on Tuesday.

Ostapenko, ranked No 10, will play the winner of the match between Croat Petra Martic and Australian Ajla Tomljanovic next.

Ostapenko won the title in Adelaide last week and improved to 8-1 for the season with her latest win.

Melbourne (Grand Slam), other first-round results (Melbourne Park, hard, USD 58.910.000, most recent results first):

• Rebecca Marino vs. Jessica Pegula
• Petra Martic vs. Ajla Tomljanovic
• Emma Raducanu vs. Shelby Rogers
• Elena Rybakina vs. Karolina Pliskova
• Qinwen Zheng vs. Ashlyn Krueger: tuesday
• Katie Boulter vs. Yue Yuan: tuesday
• Yafan Wang beat Sorana Cirstea (22): 0-6, 7-5, 6-2
• Anna Blinkova beat Cristina Bucsa: 6-2, 6-4
• Clara Burel beat Aleksandra Krunic: 6-4, 6-1
• Oceane Dodin beat Lin Zhu (29): 6-4, 6-3
• Clara Tauson beat Greet Minnen: 7-5, 7-5
• Victoria Azarenka (18) beat Camila Giorgi: 6-1, 4-6, 6-3
• Emma Navarro (27) beat Xiyu Wang: 6-1, 6-7 (5), 7-5
• Danielle Collins beat Angelique Kerber: 6-2, 3-6, 6-1
• Iga Swiatek (1) beat Sofia Kenin: 7-6 (2), 6-2
• Martina Trevisan beat Renata Zarazua (Q): 4-6, 6-4, 6-2
• Daria Kasatkina (14) beat Peyton Stearns: 6-2, 3-6, 6-2
• Sloane Stephens beat Olivia Gadecki (WC): 6-3, 6-1
• Elisabetta Cocciaretto beat Lulu Sun (Q): 6-1, 7-5
• Caroline Garcia (16) beat Naomi Osaka: 6-4, 7-6 (2)
• Anna Kalinskaya beat Katie Volynets (Q): 6-3, 3-6, 6-2
• Mirra Andreeva beat Bernarda Pera: 7-5, 6-2
• Arantxa Rus beat Anhelina Kalinina (24): 6-1, 6-0
• Paula Badosa beat Taylor Townsend: 6-1, 6-3
• Beatriz Haddad Maia (10) beat Linda Fruhvirtova: 6-2, 3-6, 6-2
• Ons Jabeur (6) beat Yulia Starodubtseva (Q): 6-3, 6-1
• Viktorija Golubic beat Veronika Kudermetova (15): 7-6 (4), 1-6, 6-1
• Anastasia Zakharova (Q) beat Yulia Putintseva: 2-6, 6-0, 6-3
• Katerina Siniakova beat Jaqueline Cristian: 6-2, 7-5
• Elise Mertens (25) beat Mayar Sherif: 6-2, 2-0 ret.
• Magdalena Frech beat Daria Saville (WC): 6-7 (5), 6-3, 7-5
• Anastasia Pavlyuchenkova beat Donna Vekic (21): 6-4, 6-4
• Jasmine Paolini (26) beat Diana Shnaider: 6-3, 6-4
• Marta Kostyuk beat Claire Liu: 6-3, 4-6, 6-1
• Rebeka Masarova beat Aliaksandra Sasnovich: 6-3, 6-4
• Mccartney Kessler (WC) beat Fiona Ferro (Q): 3-6, 6-3, 6-2
• Tatjana Maria beat Camila Osorio: 7-5, 6-7 (4), 6-4
• Laura Siegemund beat Ekaterina Alexandrova (17): 6-2, 3-6, 7-6 (9)
• Kaja Juvan beat Anastasia Potapova (23): 6-1, 6-4
• Coco Gauff (4) beat Anna Karolina Schmiedlova: 6-3, 6-0
• Dayana Yastremska (Q) beat Marketa Vondrousova (7): 6-1, 6-2
• Nadia Podoroska beat Tamara Zidansek: 6-1, 6-0
• Storm Hunter (Q) beat Sara Errani: 6-4, 6-3
• Varvara Gracheva beat Yanina Wickmayer: 6-3, 6-4
• Viktoriya Tomova beat Kayla Day: 6-4, 6-2
• Elina Svitolina (19) beat Taylah Preston (WC): 6-2, 6-2
• Linda Noskova beat Marie Bouzkova (31): 6-1, 7-5
• Aryna Sabalenka (2) beat Ella Seidel (Q): 6-0, 6-1
• Caroline Wozniacki (WC) beat Magda Linette (20): 6-2, 2-0 ret.
• Caroline Dolehide beat Leolia Jeanjean (Q): 6-2, 6-4
• Alina Korneeva (Q) beat Sara Sorribes Tormo: 4-6, 6-3, 6-2
• Amanda Anisimova beat Liudmila Samsonova (13): 6-3, 6-4
• Diane Parry beat Xinyu Wang (30): 6-3, 2-6, 6-3
• Maria Sakkari (8) beat Nao Hibino: 6-4, 6-1
• Brenda Fruhvirtova (Q) beat Ana Bogdan: 2-6, 6-4, 6-3
• Maria Timofeeva (Q) beat Alize Cornet (WC): 6-2, 6-4
• Alycia Parks beat Daria Snigur (Q): 2-6, 6-2, 6-4
• Tamara Korpatsch beat Jodie Burrage: 2-6, 6-3, 6-0
• Elina Avanesyan beat Zhuoxuan Bai: 4-6, 7-5, 6-2
• Barbora Krejcikova (9) beat Mai Hontama (WC): 2-6, 6-4, 6-3
• Lesia Tsurenko (28) beat Lucia Bronzetti: 3-6, 7-5, 6-3
• Kamilla Rakhimova beat Emina Bektas: 6-4, 6-4
• Leylah Fernandez (32) beat Sara Bejlek (Q): 7-6 (5), 6-2