Follow all of the below matches throughout the day at TENNIS.com/scores
STADIUM start 12:00 noon
WTA - [1] N. Osaka (JPN) vs [Q] Y. Wickmayer (BEL)
Not Before 2:00 pm
ATP - [Q] L. Sonego (ITA) vs [7] J. Isner (USA)
WTA - R. Peterson (SWE) vs [10] S. Williams (USA)
Not Before 8:00 pm
ATP - [1] N. Djokovic (SRB) vs B. Tomic (AUS)
Not Before 9:30 pm
WTA - [WC] W. Osuigwe (USA) vs [25] D. Collins (USA)
*
GRANDSTAND start 12:00 noon
ATP - D. Lajovic (SRB) vs [5] K. Nishikori (JPN)
Not Before 2:00 pm
WTA - V. Williams (USA) vs [24] C. Suárez Navarro (ESP)
ATP - [27] N. Kyrgios (AUS) vs [Q] A. Bublik (KAZ)
WTA - O. Jabeur (TUN) or [LL] Kr. Pliskova (CZE) vs [4] S. Stephens (USA)
Not Before 7:00 pm
ATP - [3] D. Thiem (AUT) vs H. Hurkacz (POL)
*
COURT 1 start 11:00 am
ATP - I. Ivashka (BLR) vs [19] K. Edmund (GBR)
ATP - [12] M. Raonic (CAN) vs M. Marterer (GER)
WTA - [Q] V. Golubic (SUI) or A. Sasnovich (BLR) vs [13] C. Wozniacki (DEN)
ATP - [25] L. Pouille (FRA) vs A. Ramos-Vinolas (ESP)
WTA - [Q] T. Townsend (USA) vs [2] S. Halep (ROU)
WTA - [5] Ka. Pliskova (CZE) vs P. Martic (CRO)
*
BUTCH BUCHHOLZ COURT start 11:00 am
WTA - [9] A. Sabalenka (BLR) vs A. Tomljanovic (AUS)
ATP - [11] B. Coric (CRO) vs R. Carballes Baena (ESP)
WTA - [20] G. Muguruza (ESP) vs [Q] M. Niculescu (ROU) or T. Zidansek (SLO)
ATP - R. Haase (NED) vs [16] G. Monfils (FRA)
ATP - G. Andreozzi (ARG) vs [15] F. Fognini (ITA)
WTA - [6] E. Svitolina (UKR) vs Y. Wang (CHN)
*
COURT 2 start 11:00 am
WTA - A. Riske (USA) vs [27] S. Hsieh (TPE)
WTA - [31] A. Pavlyuchenkova (RUS) vs V. Kuzmova (SVK)
WTA - [32] S. Kenin (USA) vs B. Andreescu (CAN)
WTA - K. Siniakova (CZE) vs [11] A. Sevastova (LAT)
WTA - [29] C. Giorgi (ITA) vs A. Schmiedlova (SVK) or T. Maria (GER)
*
COURT 5 start 11:00 am
WTA - M. Kato (JPN) / M. Ninomiya (JPN) vs S. Aoyama (JPN) / L. Marozava (BLR)
WTA - A. Krunic (SRB) / A. Panova (RUS) vs [WC] L. Davis (USA) / C. Mchale (USA)
WTA - L. Arruabarrena (ESP) / H. Watson (GBR) vs [7] A. Klepac (SLO) / M. Martinez Sanchez (ESP)
WTA - [6] S. Stosur (AUS) / S. Zhang (CHN) vs R. Atawo (USA) / K. Srebotnik (SLO)
*
COURT 6 start 11:00 am
WTA - A. Anisimova (USA) vs [21] A. Kontaveit (EST)
Not Before 12:30 pm
ATP - [17] N. Basilashvili (GEO) vs M. Zverev (GER)
WTA - [Q] K. Muchova (CZE) vs [8] A. Kerber (GER)
ATP - [22] R. Bautista Agut (ESP) vs [PR] J. Tipsarevic (SRB)
WTA - A. Cornet (FRA) vs [30] M. Buzarnescu (ROU)
*
COURT 7 start 1:30 pm
WTA - D. Jurak (CRO) / R. Olaru (ROU) vs D. Krawczyk (USA) / S. Santamaria (USA)
Not Before 3:00 pm
ATP - [WC] M. McDonald (USA) / R. Opelka (USA) vs [2] J. Murray (GBR) / B. Soares (BRA)
After Suitable Rest - R. Albot (MDA) / N. Basilashvili (GEO) vs B. McLachlan (JPN) / N. Skupski (GBR)
*
COURT 8 start 11:00 am
WTA - [16] E. Mertens (BEL) vs P. Parmentier (FRA)
ATP - F. Delbonis (ARG) vs [32] J. Millman (AUS)
ATP - [Q] F. Auger-Aliassime (CAN) vs [29] M. Fucsovics (HUN)
WTA - [23] B. Bencic (SUI) vs Y. Putintseva (KAZ)
WTA - [28] L. Tsurenko (UKR) vs [Q] M. Doi (JPN)
*
COURT 9 start 11:00 am
ATP - J. Chardy (FRA) vs [23] G. Simon (FRA)
WTA - M. Vondrousova (CZE) vs [22] J. Ostapenko (LAT)
WTA - [14] D. Kasatkina (RUS) vs [WC] C. Gauff (USA)
WTA - [18] Q. Wang (CHN) vs J. Konta (GBR) or [Q] J. Pegula (USA)
After Suitable Rest - [WC] M. Demoliner (BRA) / M. Kecmanovic (SRB) vs J. Isner (USA) / S. Querrey (USA)