For ranking of countries we take points from best 4 players 1v1, best mates 2v2 (only one cople) and points from the nation in Davis Cup.
Copa Davis (For the ranking of countries)
Winner: 4000 puntos
Finalist: 2400 puntos
Semifinalist: 1440 puntos
Quarter finals: 720 puntos
R16: 360 puntos