Tennis star Taylor Fritz and Morgan Riddle’s relationship has come to an end after six years, according to a report from People Magazine . Riddle was the one to end it, a source told the magazine. The high-profile relationship started in June 2020, and Riddle quickly became well-known as an influencer, posting about life as a WAG on the ATP Tour. Taylor Fritz, left,holds the trophy as he poses with his girlfriend Morgan Riddle after defeating Miomir Kecmanovic, of Serbia, during the final match at the Delray Beach Open tennis tournament, Sunday, Feb. 19, 2023, in Delray Beach, Fla. AP For example, at last year’s U.S. Open, Riddle posted pictures to her Instagram story from a suite at Arthur Ashe Stadium, showing her and fellow influencer Brittany Williams drinking Honey Deuces. “Had to run it back to the Grey Goose suite for some honey deuces,” Riddle wrote on Instagram at the time. At least initially, that drew some backlash from tennis fans, though Fritz quickly jumped to her defense.…