(Reuters) -Indian Wells champions Carlos Alcaraz and Elena Rybakina stayed on course to complete the 'Sunshine Double' at the Miami Open on Tuesday but men's second seed Stefanos Tsitsipas was sent packing by Karen Khachanov.
World number one Alcaraz beat Tommy Paul 6-4 6-4 in the fourth round, while Rybakina notched up her 12th straight win with a 6-3 6-0 thrashing of Martina Trevisan to reach the semi-finals.
