The top seed at the Dubai Duty Free Tennis Championships failed to reach semi-finals of the ATP 500 event on Thursday. Novak suffered a 4-6, 6-7 (4) loss to world no.123 Jiri Vesely (CZE, Q). As a result, the Serbian star will fall to no.2 in the ATP Rankings on Monday for the first time since February 2020. Djokovic has spent a record 361 weeks at the summit of men's professional tennis.