WTA - Miami 1R start

First round commenced in Miami.

2023 Miami Open presented by Itau, a WTA 1000 tournament, on Hard, in Miami, Florida, USA, 21 March - 2 April 2023.

Defending champion:

Iga Swiatek (3) who defeated Naomi Osaka 6-4 6-0

Lauren Davis withdrew after the main draw was published due to an abdominal injury, and was replaced by lucky loser Viktoriya Tomova.

First round results:

- Claire Liu defeated Katerina Siniakova 3-6 3-3 (retired)

- Qualifier Nao Hibino defeated Danka Kovinic 6-3 6-3

- Qualifier Mirjam Bjorklund defeated Jasmine Paolini 4-6 6-4 6-4

- Qualifier Tereza Martincova defeated Tamara Korpatsch 4-6 6-4 6-3

- Anna Kalinskaya defeated wildcard Victoria Jimenez Kasintseva 6-4 6-2

- Qualifier Laura Siegemund defeated Mayar Sherif 6-3 6-4

- Wang Xiyu defeated wildcard Brenda Fruhvirtova 6-0 7-5

- Elise Mertens defeated Alycia Parks 6-1 6-4

- Qualifier Katherine Sebov defeated Linda Fruhvirtova 6-2 4-6 6-4

- Lucky loser Viktoriya Tomova defeated qualifier Anna Karolina Schmiedlova 7-5 6-2

- Evgeniya Rodina defeated Bernarda Pera 6-3 6-4

- Camila Giorgi defeated Kaia Kanepi 7-6(4) 6-7(4) 7-6(4)

- Qualifier Viktorija Golubic defeated wildcard Hailey Baptiste 7-6(3) 6-1

- Irina-Camelia Begu defeated wildcard Alex Eala 6-2 7-5

- Marta Kostyuk defeated Elisabetta Cocciaretto 6-3 6-2

- Rebecca Marino defeated Yulia Putintseva 7-6(4) 6-2