Two-time defending champion Carlos Alcaraz is bracing for a tough semi-final test from "ambitious" British lefty Jack Draper on Saturday as he aims to take the next step toward a rare Indian Wells ATP Masters three-peat.

Jack Draper beats Ben Shelton on a cold and blustery evening in Indian Wells to set up a tantalising semi-final against Carlos Alcaraz.

The Indian Wells semifinals will feature a blockbuster clash between two-time defending champion Carlos Alcaraz and British sensation Jack Draper. This will be their third meeting, with neither player dropping a set en route to the semifinals,

Jack Draper sets up Indian Wells semi-final against Carlos Alcaraz after beating Ben Shelton - Draper saw off the American in straight sets to reach the last four of the Paribas Open