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MIAMI, Fla. – Unseeded Naomi Osaka begins her Miami Open campaign against Aussie Astra Sharma as the first round continues.

Rebecca Marino, the Canadian qualifier, drew Katerina Siniakova for her first round.

ATP Miami – Wednesday, March 23, 2022 final results

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Miami Open
Location: Miami, Fla.
Category: WTA 1000 (joint event with the ATP Tour)
Dates: March 21 – April 3, 2022
Prize money: $8,584,055
Draws: S96 – D32

Wednesday, March 23, 2022
Final results
Singles, first round

Katerina Siniakova (CZE) def. [Q] Rebecca Marino (CAN) 36 62 61

Zhang Shuai (CHN) def Clara Tauson (DEN) 64 46 21 retd

Irina-Camelia Begu (ROU) def. [WC] Hailey Baptiste (USA) 67 (6) 61 61
[Q] Marie Bouzkova (CZE) def [PR] Laura Siegemund (GER) 61 62
Madison Brengle (USA) def. [WC] Alexandra Eala (PHI) 62 61
[LL] Lucia Bronzetti (ITA) def Ajla Tomljanovic (AUS) 46 76 (6) 62
Clara Burel (FRA) def. [Q] Magdalena Frech (POL) 63 75
[Q] Lauren Davis (USA) def [Q] Yuan Yue (CHN) 64 61
[WC] Linda Fruhvirtova (CZE) def Danka Kovinic (MNE) 60 64
[Q] Dalma Galfi (HUN) def. Kristina Kucova (SVK) 60 60
Viktorija Golubic (SUI) def [Q] Kirsten Flipkens (BEL) 64 46 64
Anna Kalinina (UKR) def. [Q] Ekaterine Gorgodze (GEO) 62 36 63
[Q] Anna Kalinskaya def [WC] Robin Montgomery (USA) 46 64 76 (4)
Karolina Muchova (CZE) def. Tereza Martincova (CZE) 76 (3) 76 (3)
Naomi Osaka (JPN) def Astra Sharma (AUS) 63 64
Alison Riske (USA) def. Jil Teichmann (SUI) 76 (5) 63
Aliaksandra Sasnovich def. [Q] Wang Xinyu (CHN) 76 (6) 64
Sloane Stephens (USA) def Panna Udvardy (HUN) 64 63
[Q] Wang Qiang (CHN) def. [WC] Ashlyn Krueger (USA) 46 75 62
[Q] Vera Zvonareva def Misaki Doi (JPN) 64 61