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.

Jack Draper will meet Carlos Alcaraz in the semi-finals of the BNP Paribas Open at Indian Wells after knocking out America’s Ben Shelton in straight sets. It will be the British tennis player’s maiden Masters 1000 semi-final.

Jack Draper forced his way into his first Masters 1000 semi-final, overcoming the venomous power and vibrant athleticism of his young American opponent Ben Shelton.

British No.1 tennis star Jack Draper has reached the Indian Wells semi-finals with a superb 6-4 7-5 victory over American star Ben Shelton. The 23-year-old is now set for a mouth-watering showdown with Wimbledon and French Open champion Carlos Alcaraz in the last four.

Jack Draper earned one of the biggest wins of his career on Thursday when he topped Ben Shelton 6-4, 7-5 in the quarterfinals of the BNP Paribas Open at Indian Wells, Calif.