Quarters in Lugano, Bogotá, Houston

Quarter final day in Colombia, Texas and Switzerland.

Claro Open Colsanitas - a WTA International category tournament, on Red Clay, in Bogotá, Colombia, 8-14 April 2019.

Defending champion:

Anna Karolina Schmiedlova who defeated Lara Arruabarrena (5) 6-2 6-4

Quarter final results 

- Qualifier Beatriz Haddad Maia defeated Sara Sorribes Tormo (7) 6-7(6) 6-2 6-3

- Lara Arruabarrena (11) defeated Tamara Zidansek (5) 6-4 6-2

- Astra Sharma defeated lucky loser Sara Errani 6-1 7-5

- Amanda Anisimova (6) defeated wildcard Maria Camila Osorio Serrano 6-2 1-6 6-3

Semi final match ups 

Amanda Anisimova (6) v qualifier Beatriz Haddad Maia 

Lara Arruabarrena (11) v Astra Sharma 

Faye’s Sarofim & Co. U.S. Men’s Clay Court Championship - an ATP 250 category tournament, on Red Clay, in Houston, Texas, USA, 8-14 April 2019.

Defending champion:

Steve Johnson (6) who defeated Tennys Sandgren (8) 7-6(2) 2-6 6-4

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Quarter final results 

- Casper Ruud defeated Marcel Granollers 6-1 6-0

- Sam Querrey (8) defeated wildcard Janko Tipsarevic 7-6(6) 7-6(4)

- Christian Garin defeated qualifier Henri Laaksonen 6-3 6-2

- Qualifier Daniel Elahi Galan v Jordan Thompson (7) was suspended due to rain at 6-1 4-6 3-3 

Semi final match ups 

The winner of Qualifier Daniel Elahi Galan and Jordan Thompson (7) v Casper Ruud 

Sam Querrey (8) v Christian Garin 

Samsung Open presented by cornèr -  a WTA International category tournament, on Red Clay, in Lugano, Switzerland, 8-14 April 2019.

Defending champion:

Elise Mertens (2) who defeated Aryna Sabalenka 7-5 6-2

Quarter final results 

- Kristyna Pliskova defeated wildcard Sveta Kuznetsova 4-6 6-3 7-5

- Iga Swiatek defeated Vera Lapko (8) 4-6 6-4 6-1

- Fiona Ferro defeated Stefanie Voegele 7-5 7-6(5)

- Polona Hercog defeated Veronika Kudermetova 6-4 6-1

Semi final match ups 

Kristyna Pliskova v Iga Swiatek

Fiona Ferro v Polona Hercog