Novak Djokovic powered into the semi-finals of the Monte Carlo Masters with a dominant win over Marin Cilic.
Monica Puig and Yaroslava Shvedova booked their spots in the quarter-final of the Claro Open Colsanitas.
Swiss stars Roger Federer and Stan Wawrinka have both been knocked out of the Monte Carlo Masters.
Rafael Nadal overcame a second set slip-up as he claimed a battling win over John Isner at the Monte Carlo Masters.
Laura Robson is in the field for next month's French Open, raising hopes that she will soon return to the tennis tour.
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Rafael Nadal has announced he will play in this year's new grasscourt tournament in Stuttgart.
Top seed Elina Svitolina beat Danka Kovinic to march into the quarter-finals of the Claro Open Colsanitas.
Novak Djokovic and Genzebe Dibaba were named sportsman and woman of the year at the Laureus World Sports Awards.
Roger Federer and Rafael Nadal both eased into the third round of the Monte Carlo Masters on Wednesday.