De Jong, 29, is a former journeyman player on the Challenger circuit who switched to coaching a couple of years ago, and has been working with the world No 59 Robin Haase since the end of 2014.

De Jong, who is ranked No 176 and stands at 5ft 11in (180cm) with a slight frame, is not a well-known name in tennis. He played well on Wednesday, in what was ultimately a four-set defeat to ...

PARIS - Third seed Alexander Zverev had to chase down dozens of drop shots from sprightly Dutchman Jesper de Jong before earning a 3-6 6-1 6-2 6-3 victory on Thursday to advance to the French Open ...

World number one Jannik Sinner continues his return from a doping ban with a comfortable 6-4 6-2 victory over Jesper de Jong to reach the last 16 of the Italian Open.

De Jong, 29, is a former journeyman player on the Challenger circuit who switched to coaching a couple of years ago, and has been working with the world No 59 Robin Haase since the end of 2014.