Sutton’s Jack Draper is through to the semi-finals of the Stuttgart Open after defeating America’s defending champion Francis Tiafoe.

Draper defeated the world number 26 in a comeback 5-7 6-4 7-6 in two hours and will now take on Brandon Nakashima in the last four.

The 22-year-old is now into his sixth ATP Tour semi-final and aiming to reach a third final.