In the early morning of February 25, Beijing time, the ATP500 Dubai quarterfinals began to compete, and the top seed Djokovic Djokovic met with the world's 123rd qualifier Viselli. After two fierce sets of matches, Djokovic was 0-2 upset and lost to his opponents, missing the final four of the tournament. Failing to make it further in Dubai, Djokovic will lose his world number one throne next week.

Djokovic was broken by his opponent as soon as he started the first set, and Viselli took a 2-0 lead after saving the set. Djokovic completed the break in the 4th set to tie the set to 2-2. Djokovic lost again in the 7th set, after which both sides saved successfully, and In the 10th set Viselli saved the first set 6-4.
In the first six sets of the second set, both sides saved their serves, in the 7th set Djokovic lost the serve, and in the 8th set Verselli defused the break point to save the serve and take a 5-3 lead. In the 10th set, Djokovic defused the opponent's serve to win the match. After each side saved one set, the second set went into a tiebreaker. Djokovic lost two consecutive runs after stealing seven innings 4-5 and losing seven innings 4-7.
In the end, in a match that took 1 hour and 57 minutes, The world's 123rd Viselli defeated the world's No. 1 Djokovic 6-4, 7-6 (4) to reach the final four of the tournament. In the semi-finals, Viselli's opponent will be No. 6 seed Shapovalov. With Djokovic missing out on the final four in Dubai, his ranking will be surpassed by Medvedev next week, and the world's first week will be temporarily stuck at 361 weeks.