MADRID: World number three Simona Halep was dumped out of the Madrid Open on Tuesday (Apr 4), losing 4-6, 7-5, 7-5 in the last 16 to Belgian Elise Mertens, while Jannik Sinner and Andrey Rublev won their opening men's matches. Romania's Halep, who won the Madrid title in 2016 and 2017, is still yet to reach a WTA Tour final this season and this was her earliest exit in the Spanish capital since a 2015 first-round loss. Halep had sailed through the first