| Country | Number One | % Correct |
|---|---|---|
| Serbia | Novak Djokovic | 100%
|
| Spain | Rafael Nadal | 100%
|
| Switzerland | Roger Federer | 100%
|
| UK | Andy Murray | 89%
|
| Croatia | Marin Cilic | 67%
|
| Canada | Milos Raonic | 67%
|
| Austria | Dominic Thiem | 56%
|
| USA | John Isner | 56%
|
| Japan | Kei Nishikori | 56%
|
| France | Richard Gasquet | 56%
|
| Australia | Bernard Tomic | 44%
|
| Belgium | David Goffin | 44%
|
| Italy | Fabio Fognini | 44%
|
| Luxembourg | Gilles Muller | 44%
|
| Bulgaria | Grigor Dimitrov | 44%
|
| South Africa | Kevin Anderson | 44%
|
| Cyprus | Marcos Baghdatis | 44%
|
| Netherlands | Robin Haase | 44%
|
| Czech Republic | Tomas Berdych | 44%
|
| Ukraine | Alexandr Dolgopolov | 33%
|
| Poland | Jerzy Janowicz | 33%
|
| Portugal | Joao Sousa | 33%
|
| Kazakhstan | Mikhail Kukushkin | 33%
|
| Uruguay | Pablo Cuevas | 33%
|
| Brazil | Thomaz Bellucci | 33%
|
| Argentina | Leonardo Mayer | 22%
|
| Germany | Philipp Kohlschreiber | 22%
|
| Russia | Teymuraz Gabashvili | 11%
|