US Open: Keys books spot in second round despite a bad start against Yastremska

American Madison Keys, the No 20 seed, reached the second round of the US Open by beating Ukrainian Dayana Yastremska 7-6 (3), 6-3 at the USTA Billie Jean King National Tennis Center in New York City on Monday.

Keys, ranked No 20, will face Italian Camila Giorgi next.

US Open, other first-round results so far

• Ons Jabeur (5) beat Madison Brengle: 7-5, 6-2
• 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