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. The second and third seeds -- Alex de Minaur of Australia and Andrey Rublev of Russia,

The top seed Daniil Medvedev made a winning start in Dubai. The 2023 Dubai Duty Free Tennis Championships winner faced Jan-Lennard Struff in the first round and earned a 6-4, 7-6 triumph in an hour and 44 minutes.

Fourth-seeded Stefanos Tsitsipas won points on 81 percent of his first serves in his 7-6 (4), 6-3 defeat of Italian Lorenzo Sonego in the opening round of the Dubai Duty Free Tennis Championships on Monday.