Paris – The finalists in the ATP's inaugural NextGen tournament slipped in the world rankings released on Monday because the event earned them no overall points.
Hyeon Chung of South Korea, who won the under-21s event in Milan, slipped five places to 59th and beaten finalist Andrey Rublev of Russia slid two spots to 39th.
The top 30 remained unchanged.
World number one Rafael Nadal plays his first match at the ATP Tour Finals in London on Monday when he takes on Belgium's David Goffin.
ATP rankings on November 13:
1. Rafael Nadal (ESP) 10645 pts
2. Roger Federer (SUI) 9005
3. Alexander Zverev (GER) 4410
4. Dominic Thiem (AUT) 3815
5. Marin Cilic (CRO) 3805
6. Grigor Dimitrov (BUL) 3650
7. Stan Wawrinka (SUI) 3150
8. David Goffin (BEL) 2975
9. Jack Sock (USA) 2765
10. Pablo Carreno (ESP) 2615
11. Juan Martin Del Potro (ARG) 2595
12. Novak Djokovic (SRB) 2585
13. Sam Querrey (USA) 2535
14. Kevin Anderson (RSA) 2480
15. Jo-Wilfried Tsonga (FRA) 2320
16. Andy Murray (GBR) 2290
17. John Isner (USA) 2265
18. Lucas Pouille (FRA) 2235
19. Tomas Berdych (CZE) 2095
20. Roberto Bautista (ESP) 2015
