2016 Clarke has risen from an
ATP singles ranking of No. 1,621 in the world in June 2016 to a career high of No. 219 achieved on 4 December 2017. He trained with
Andy Murray before the
French Open and travelled with the Great Britain Davis Cup team for their
tie against France. 2017 Clarke received a singles wildcard for the
2017 Wimbledon qualifiers but lost in the final round. Clarke was awarded a wildcard to the
doubles main draw with
Marcus Willis, where they reached the third round after upsetting the defending champions and second seeds
Nicolas Mahut and
Pierre-Hugues Herbert in a five-setter.
2018 Clarke made his ATP main draw debut at the
Queen's Club Championships where he was given a wildcard into the singles event, he lost in straight sets to the American fifth seed
Sam Querrey. Clarke was awarded a wildcard to the main draw of the 2018
Wimbledon Championship for his grand slam singles debut. Clarke reached the semifinals in the
mixed doubles with
Harriet Dart beating the first seeds in the third round.
2025 Jay Clarke won his first title in three years and fourth Challenger title overall at the
2025 Macedonian Open. In November, he won the inaugural
2025 Islamabad Challenger. ==Performance timeline==