Grigor Dimitrov was forced to retire from his Wimbledon fourth-round clash with Jannik Sinner on Monday after suffering a partial tear of his pectoral muscle

Grigor Dimitrov has taken to social media to pen an emotional message after being forced to retire from his Wimbledon fourth round clash with Jannik Sinner

Grigor Dimitrov says that the injury-induced ending to his fourth-round Wimbledon match was "one of the most painful moments of [his] career," the 34-year-old Bulgarian is determined to bounce back.

Dimitrov's father Dimitar Dimitrov is a former tennis coach who began coaching Grigor at a young age and realized his son's skills. Dimitrov also credits his father with instilling strong personal values that helped him through his professional career, according to Sportskeeda.

There are only two players who have been able to knock Ben Shelton out of Grand Slams this year: Carlos Alcaraz and Jannik Sinner. That’s good news and bad for Shelton, who exited Wimbledon in the quarterfinals Wednesday afternoon as Sinner sent him home,