California, March 14 -- Jack Draper beat big-serving American Ben Shelton 6-4 7-5 on a cold and blustery evening in Indian Wells to set up a tantalising semi-final against two-time defending champion Carlos Alcaraz.

Britain's Draper reached his first Grand Slam semi-final at September's US Open but had never before made it to the last four at a Masters 1000 event.

If the 23-year-old beats four-time major champion Alcaraz on Saturday he will be guaranteed a place in the world's top 10 for the first time, the BBC reported.

"I'm always proud of myself," said Draper, who is yet to drop a set in the tournament.

"Unfortunately in tennis you're in a sport where there is always the next match and you have to prove yourself every time.

"I'm ne...