Daniil Medvedev is no stranger to on-court drama, and his latest clash with an umpire during his Dubai Tennis Championships match against Tallon Griekspoor proved once again that the Russian star isn’t afraid to speak his mind.

Top-seeded Daniil Medvedev didn't have time to think about how to return Giovanni Mpetshi Perricard's blazing serves Wednesday at the Dubai Championships. But Medvedev still reached the quarterfinals after a 6-4,

Top-seeded Daniil Medvedev of Russia survived a day of upsets at the Dubai Tennis Championships, moving to the second round after a 6-4, 7-6 (4) win over Germany's Jan-Lennard Struff.

Daniil Medvedev experienced another blow in Dubai. The former champion wasted four match points versus Tallon Griekspoor in the quarter-final and fell 2-6, 7-6, 7-5 in two hours and 36 minutes! The Russian argued with the chair umpire and lost his focus in the pivotal moments to leave another tournament without lifting a trophy.

Dubai: In a stunning upset at the Dubai Duty Free Tennis Championships on Thursday, Tallon Griekspoor toppled top-seeded Daniil Medvedev to secure the most significant victory of his career and leave the defeated World No 6 smashing his racquet in frustration.

Top-seed Daniil Medvedev was stunned by Tallon Griekspoor at the Dubai Duty Free Tennis Championships on Thursday as the world No 47 recorded the biggest win of his career. The Dutchman saved three match points to beat Medvedev 2-6,

Tallon Griekspoor saved four match points in upsetting top seed Daniil Medvedev 2-6, 7-6 (7), 7-5 in the quarterfinals at the Dubai Tennis Championships on Thursday. The Dutchman advanced to his eighth career ATP Tour semifinal (3-4 record) in knocking off Russia's Medvedev,