Daniil Medvedev conquered all remaining doubts as he completed an impressive hat-trick, picking up a third title in as many weeks with a 6-2, 6-2 victory over Andrey Rublev in the Dubai final on Saturday. “Not over yet,” scribbled the third-seeded Medvedev on the TV camera lens after his triumph, referring to his current 14-match winning streak amassed over the last 19 days, starting with the title in Rotterdam, followed by Doha and now Dubai.