55th U.S. Men’s Clay Court Championships

Saturday at River Oaks Country Club, Houston, Texas; outdoors, clay

MEN’S SINGLES, SEMIFINALS

#1 Tommy Paul vs.

Jenson Brooksby, late

#2 Frances Tiafoe vs,

#4 Brandon Nakashima, late

LATE FRIDAY, QUARTERFINALS

#2 Frances Tiafoe d.

#5 Alex Michelsen, 7-5, 6-1

ATP Grand Prix Hassan II

Saturday at Royal Tennis Club de Marrakech; Marrakech, Morocco; outdoors, Red clay

Men’s Singles, SEMIFINALS

#1 Tallon Griekspoor d.

Kamil Majchrzak, 7-5, 7-6 (3).

#7 Luciano Darderi d.

#5 Roberto Carballes Baena, 6-3, 6-2.

ATP Tiriac Open

Saturday at Nastase & Marica Sports Club, Bucharest, Romania, outdoors, clay

MEN’s SINGLES, SEMIFINALS

#1 Sabatian Baez d.

Marton Fucsovics, 6-2, 6-2.

#3 Flavio Cobolli d.

Damir Dzumhur, 6-3, 6-0.

WTA Copa Colsanitas Zurich

Friday at Country Club, Bogota, Colombia, outdoors, Red clay

WOMEN’S SINGLES, QUARTERFINALS

#2 Camila Osorio d.

Julia Riera, 6-4, 7-5.

Katarzyna Kawa vs.

Julieta Pareja, late

LATE FRIDAY, QUARTERFINALS

Katarzyna Kawa d.

#13 Marie Bouzkova, 5-7, 6-1, 7-5

Julieta Pareja d.

Leolia Jeanjean, 7-6 (5), 6-3.

WTA Charleston Open

Saturday at Family Circle Tennis Center; Charleston, S.C.; outdoors, Green clay

WOMEN’S SINGLES, SEMIFINALS

#1 Jessica Pegula d.

#9 Ekaterina Alexandrova, 6-2, 2-6, 7-5.

Sofia Kenin d.

#8 Amanda Anisimova, 5-2, retired.

WTA Megastay Hotels Open 3

Saturday Megasaray Tennis Academy in Antalya, Turkey; outdoors, Red clay

WOMEN’S SINGLES, SEMIFINALS

Solana Sierra d.

Astra Sharma, 6-1, 6-0.

Leyre Romero Gormaz d.

Tara Wuerth, 6-3, 6-0.

Open Internacional Femení Solgironès

Saturday at La Bisbal d’Emporda, Spain; outdoors, clay

WOMEN’S SINGLES, SEMIFINLS

Dalma Galfi d.

#8 Panna Udvardy, 6-0, 7-5.

Darja Semenistaja d.

Aliona Bolsova, 5-7, 6-4, 6-3.