單打有五位，雙打有八組。
由於當周有芝加哥的125 挑戰賽，有些能打辛辛那提會外賽的都去打芝加哥。
而中國參加奧運的王薔、鄭賽賽至今尚未出賽。
單打
1-BARTY, Ashleigh AUS vs BYE
Q-SASNOVICH, Aliaksandra BLR vs Q-WATSON, Heather GBR
RISKE, Alison USA vs Q-FERNANDEZ, Leylah CAN
Q-SAMSONOVA, Liudmila RUS vs 14-AZARENKA, Victoria BLR
9-KREJCIKOVA, Barbora CZE vs KASATKINA, Daria RUS
WC-MCNALLY, Catherine USA vs YASTREMSKA, Dayana UKR
Q-GARCIA, Caroline FRA vs WC-STEPHENS, Sloane USA
BYE vs 8-MUGURUZA, Garbine ESP
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4-SVITOLINA, Elina UKR vs BYE
SAKKARI, Maria GRE vs KERBER, Angelique GER
OSTAPENKO, Jelena LAT vs ZIDANSEK, Tamara SLO
ALEXANDROVA, Ekaterina RUS vs 13-BRADY, Jennifer USA
11-KVITOVA, Petra CZE vs KEYS, Madison USA
KUDERMETOVA, Veronika RUS vs Q-PAOLINI, Jasmine ITA
JABEUR, Ons TUN vs KONTAVEIT, Anett EST
BYE vs 6-SWIATEK, Iga POL
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5-PLISKOVA, Karolina CZE vs BYE
PUTINTSEVA, Yulia KAZ vs Q-張帥 ZHANG, Shuai CHN
PEGULA, Jessica USA vs SPECIAL EXEMPT
LINETTE, Magda POL vs 12-HALEP, Simona ROU
15-MERTENS, Elise BEL vs PODOROSKA, Nadia ARG
WC-STOSUR, Samantha AUS vs RYBAKINA, Elena KAZ
BADOSA, Paula ESP vs MARTIC, Petra CRO
BYE vs 3-SABALENKA, Aryna BLR
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7-ANDREESCU, Bianca CAN vs BYE
MUCHOVA, Karolina CZE vs KONTA, Johanna GBR
COLLINS, Danielle USA vs ROGERS, Shelby USA
VONDROUSOVA, Marketa CZE vs 10-BENCIC, Belinda SUI
16-PAVLYUCHENKOVA, Anastasia RUS vs WC-PERA, Bernarda USA
WC-TEICHMANN, Jil SUI vs CIRSTEA, Sorana ROU
Q-謝淑薇 HSIEH, Su-Wei TWN vs GAUFF, Cori USA
BYE vs 2-大坂直美 OSAKA, Naomi JPN
雙打
1-謝淑薇/MERTENS vs BYE
CARTER/SANTAMARIA vs BLINKOVA/SASNOVICH
KICHENOK/OLARU vs BADOSA/SORRIBES TORMO
GAUFF/MCNALLY vs 5-GUARACHI/KRAWCZYK
4-MELICHAR/SCHUURS vs BYE
KUDERMETOVA/RYBAKINA vs JABEUR/MIRZA
WC-LINETTE/PERA vs STOSUR/張帥
PEREZ/PESCHKE vs 7-詹詠然/詹皓晴
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6-DABROWSKI/STEFANI vs DANILINA/SHVEDOVA
AZARENKA/PEGULA vs KICHENOK/二宮真琴
OSTAPENKO/TEICHMANN vs VOSKOBOEVA/ZVONAREVA
BYE vs 3-青山修子/柴原瑛菜
8-JURAK/KLEPAC vs BOUZKOVA/HRADECKA
MATTEK-SANDS/SWIATEK vs MARTIC/ROGERS
WC-NAVARRO/STEARNS vs KASATKINA/KONTAVEIT
BYE vs 2-KREJCIKOVA/SINIAKOVA