Castigatoare a ultimei editii de la Roland Garros, Jelena Ostapenko (cap de serie numarul 12) a fost eliminata in runda inaugurala a turneului "Premier 5" de la Cincinnati. Aceeasi soarta a avut-o si Agnieszka Radwanska, poloneza continuand perioada mai putin fasta a carierei.
Turul II:
4-Garbine Muguruza Blanco - Beatriz Haddad Maia 6-2 6-0
2-Simona Halep - Taylor Townsend 6-4 6-1
7-Johanna Konta - Kiki Bertens 6-3 6-3
Turul I:
Sloane Stephens - Lucie Safarova 6-4 7-6(5)
15-Anastasija Sevastova - Peng Shuai 3-6 6-4 6-2
Alize Cornet - Catherine Bellis 7-6(5) 3-6 6-2
Julia Goerges - 10-Agnieszka Radwanska 6-4 6-4
Aleksandra Krunic - 12-Jelena Ostapenko 6-4 6-2
9-Venus Williams - Alison Riske 6-2 6-0
11-Dominika Cibulkova - Ana Konjuh 5-7 7-5 6-2
Natalia Vikhlyantseva - Donna Vekic 6-3 2-6 6-3
Ashleigh Barty - Varvara Lepchenko 6-4 6-4
Ekaterina Makarova - Barbora Strycova 6-4 6-1
Francoise Abanda - Magda Linette 3-6 6-4 6-2
Elena Vesnina - Caroline Garcia 4-6 6-4 6-4.
