Australia's Alex de Minaur makes his return to the ATP top 30 on the strength of his win in Atlanta in the latest rankings published on Monday.
The 20-year-old dominated Taylor Fritz 6-3,7-6 (7/2) to become only the third player to win an ATP title without facing a break point since the tour began keeping stats in 1991.
De Minaur climbs nine places to 25th, with Sunday's beaten Hamburg finalist Andrey Rublev jumping 29 places to 49th.
Albert Ramos was rewarded for his Gstaad win on Sunday with a 17-rung move up to 68th.
The sole change in the top 10 headed by Novak Djokovic was Italian Fabio Fognini up one place to ninth.
1. Novak Djokovic (SRB) 12415 pts
2. Rafael Nadal (ESP) 7945
3. Roger Federer (SUI) 7460
4. Dominic Thiem (AUT) 4595
5. Alexander Zverev (GER) 4415
6. Stefanos Tsitsipas (GRE) 4045
7. Kei Nishikori (JPN) 4040
8. Karen Khachanov (RUS) 2890
9. Fabio Fognini (ITA) 2625 (+1)
10. Daniil Medvedev (RUS) 2625 (-1)
11. Kevin Anderson (RSA) 2500
12. Juan Mart?n Del Potro (ARG) 2380
13. Roberto Bautista (ESP) 2215
14. Borna Coric (CRO) 2195 (+1)
15. John Isner (USA) 2040 (-1)
16. Nikoloz Basilashvili (GEO) 1975
17. Marin Cilic (CRO) 1940
18. David Goffin (BEL) 1860
19. Ga?l Monfils (FRA) 1770
20. Milos Raonic (CAN) 1765 (+1)
Selected
25. Alex de Minaur (AUS) 1515 (+9)
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