Janik Sinner was officially announced as world No.1 on Monday when the ATP released its new rankings, becoming the first Italian to hold the position.
Sinner reached the French Open semi-finals but was beaten by eventual champion and world number two Carlos Alcaraz, pushing 37-year-old Djokovic, who has been No.1 since last September, down to third.
Djokovic holds the record for the highest number of weeks spent at No.1, with a tally of 428 is 118 weeks more than next best Roger Federer.
In number four is German, Alexander Zverev, who was runner-up to Alcaraz in Paris, ahead of Russian pair Daniil Medvedev and Andrey Rublev.
ATP rankings
1. Jannik Sinner (ITA) 9525 pts (+1)
2. Carlos Alcaraz (ESP) 8580 (+1)
3. Novak Djokovic (SRB) 8360 (-2)
4. Alexander Zverev (GER) 6885,
5. Daniil Medvedev (RUS) 6485
6. Andrey Rublev (RUS) 4710
7. Casper Ruud (NOR) 4025
8. Hubert Hurkacz (POL) 3995
9. Alex De Minaur (AUS) 3845 (+2),
10. Grigor Dimitrov (BUL) 3775
11. Stefanos Tsitsipas (GRE) 3740 (-2)
12. Taylor Fritz (USA) 3090
13. Tommy Paul (USA) 2710 (+1)
14. Ben Shelton (USA) 2590 (+1)1
15. Holger Rune (DEN) 2540 (-2)
16. Ugo Humbert (FRA) 2250
17. Alexander Bublik (KAZ) 2150
18. Felix Auger-Aliassime (CAN) 2.075 (+3)
19. Sebastian Báez (ARG) 2030 (+1)
20. Nicolas Jarry (CHI) 1905 (-1)
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