Novak Djokovic remains streets ahead of the rest in the ATP world rankings, after claiming a record-equalling sixth Miami Open title on Sunday. The Serb beat world number six Kei Nishikori in straight sets in the final to add to his Indian Wells success. There are no movers in the top 10, but 20-year-old Australian Nick Kyrgios has broken into the top 20 for the first time by reaching the semi-finals. Belgian David Goffin jumps a couple of places despite losing to Djokovic in the last four. ATP world top 20 1. Novak Djokovic (SRB) 16,540 pts 2. Andy Murray (GBR) 7,815 3. Roger Federer (SUI) 7,695 4. Stan Wawrinka (SUI) 6,370 5. Rafael Nadal (ESP) 4,955 6. Kei Nishikori (JPN) 4,490 7. Tomas Berdych (CZE) 3,630 8. David Ferrer (ESP) 3,370 9. Jo-Wilfried Tsonga (FRA) 3,130 10. Richard Gasquet (FRA) 2,840 11. Marin Cilic (CRO) 2,770 12. Milos Raonic (CAN) 2,740 13. David Goffin (BEL) 2,560 (+2) 14. Dominic Thiem (AUT) 2,420 15. John Isner (USA) 2,235 (-2) 16. Gael Monfils (FRA) 2,220 17. Robert Bautista Agut (ESP) 2,015 (+1) 18. Kevin Anderson (RSA) 1,930 (-1) 19. Gilles Simon (FRA) 1,900 20. Nick Kyrgios (AUS) 1,765 (+6)