Round one done in Charleston, Monterrey

Conclusion of first round matches in Charleston and Monterrey, rain delaying the start in South Carolina by a few hours.

Abierto GNP Seguros (Monterrey Open) - a WTA International category tournament, on Hard Decoturf,  at Club Sonoma in Monterrey, Mexico, 1-7 April 2019.

Defending champion:

Garbiñe Muguruza (1) who defeated Tímea Babos (4) 3-6 6-4 6-3

Monterrey 

First round

• Dalila Jakupovic defeated Harriet Dart 6-2 6-3
• Zarina Diyas defeated wildcard Renata Zarazúa 7-5 6-4
• Sachia Vickery, ranked outside the top 100, defeated her older compatriot and top 50 player Alison Riske (4) 7-6(6) 6-1
• Anastasia Pavlyuchenkova (3) defeated Anna Blinkova in a battle of the Russians 6-0 6-3
• Kiki Mladenovic (7) defeated qualifier Beatriz Haddad Maia 6-4 1-6 7-6(5)
• Lucky loser Gréta Arn defeated Lara Arruabarrena 7-5 3-6 7-5
• Karolina Muchova defeated qualifier Shilin Xu 6-4 5-7 6-3
• Vika Azarenka (5) defeated qualifier Miyu Kato 6-4 6-2
• Angie Kerber (1) defeated qualifier Kristina Kucova 7-6(4) 6-2
• Garbiñe Muguruza (2) defeated lucky loser Elena-Gabriela Ruse 6-4 7-6(4)

Volvo Car Open (Charleston Open) - a WTA Premier category tournament, on Green Clay, in Charleston, South Carolina, USA, 1-7 April 2019.

Defending champion:

Kiki Bertens (12) who defeated Julia Goerges (5) 6-2 6-1

Charleston 

First round

• Andrea Petkovic defeated Varvara Lepchenko 6-0 6-4, which was special for the former top ten player, as her only two prior meetings with the American had been losses.
• Qualifier Kateryna Kozlova defeated Kristyna Pliskova 7-5 6-4
• Petra Martic (16) defeated Amanda Anisimova 6-4 2-6 6-1
• Qualifier Lauren Davis defeated Ysaline Bonaventure 6-4 0-6 6-2
• Kaia Kanepi defeated Veronika Kudermetova 7-6(4) 6-3
• Danielle Collins (11) defeated Madison Brengle in another all-American clash 6-1 6-3
• Mihaela Buzărnescu (12) defeated qualifier Magdalena Frech 6-1 4-6 7-5
• Maria Sakkari (15) defeated lucky loser Conny Perrin 7-5 3-6 6-1
• Laura Siegemund defeated wildcard Emma Navarro 7-5 6-4

Second round 

• Sloane Stephens (1) defeated Sara Sorribes Tormo 7-6(4) 7-6(4)
• Kiki Bertens (2) defeated qualifier Martina Trevisan 6-2 6-1