Jack tamed his strokes nicely and hit 19 winners and 16 unforced errors. Joao stayed on 11 winners and sprayed 31 errors, mostly from his wayward forehand. The Briton led 15-11 in service winners and took charge from the baseline, winning 38 of 57 points.

On Wednesday afternoon in Indian Wells, British No 1 Jack Draper produced the sort of performance you can go through a career searching for.

Jack Draper beat No. 3 seed Taylor Fritz, a former champion at Indian Wells, on Wednesday, while Ben Shelton became the youngest American man since Andy Roddick in 2004 to reach the quarterfinals in the California desert.