Stefanos Tsitsipas

World number six ended a 10-match winning streak for the Greek

World number seven defeated Diaz Acosta after a tough tie-break to advance in the tournament

37-year-old has not played an ATP tournament since January due to a muscle issue

Seventh seed slumped 7-5, 6-7 (2/7), 6-7 (5/7), 7-6 (8/6), 6-3 defeat against his 128th ranked opponent in 4hr 4min

Greek tennis star hopes massive changes in his coaching staff will pay results

Fifth seed beats US Open champion Thiem 3-6, 7-6 (7/1), 6-2, 6-7 (5/7), 7-6 (10/8) to move into second round

Greek star loses to Chilean Jarry; Russian beats Serbian Djere to reach quarter-finals

Australian’s Instagram message says his partnership with Greek star is over, days before French Open

Russian sets up last-four meeting with Greek after they secure wins over Hanfmann, Coric, respectively

Second-seeded Greek beats Argentine 6-4, 6-2 in straight sets to advance into last 16 of the tournament