| Move from last year | Country | # | Answer | % Correct |
|---|---|---|---|---|
| +11 | Serbia | 1 | Novak Djokovic | 100%
|
| -1 | Spain | 2 | Rafael Nadal | 100%
|
| -1 | Switzerland | 3 | Roger Federer | 100%
|
| +6 | Argentina | 5 | Juan Martin del Potro | 95%
|
| +7 | USA | 10 | John Isner | 86%
|
| +13 | Japan | 9 | Kei Nishikori | 86%
|
| +6 | Canada | 18 | Milos Raonic | 86%
|
| +8 | South Africa | 6 | Kevin Anderson | 81%
|
| -1 | Croatia | 7 | Marin Cilic | 81%
|
| -1 | Germany | 4 | Alexander Zverev | 76%
|
| -3 | Austria | 8 | Dominic Thiem | 76%
|
| -16 | Bulgaria | 19 | Grigor Dimitrov | 76%
|
| +76 | Greece | 15 | Stefanos Tsitsipas | 76%
|
| +14 | Italy | 13 | Fabio Fognini | 71%
|
| +24 | Canada | 27 | Denis Shapovalov | 67%
|
| +36 | Croatia | 12 | Borna Coric | 62%
|
| -15 | Belgium | 22 | David Goffin | 62%
|
| +36 | UK | 14 | Kyle Edmund | 62%
|
| -14 | France | 32 | Lucas Pouille | 62%
|
| -4 | Spain | 24 | Roberto Bautista Agut | 62%
|
| +49 | Russia | 16 | Daniil Medvedev | 57%
|
| +9 | Argentina | 17 | Diego Schwartzman | 57%
|
| +69 | France | 30 | Gilles Simon | 57%
|
| -13 | Spain | 23 | Pablo Carreno Busta | 57%
|
| +5 | France | 26 | Richard Gasquet | 57%
|
| +34 | Russia | 11 | Karen Khachanov | 52%
|
| +38 | Georgia | 21 | Nikoloz Basilashvili | 52%
|
| +179 | Australia | 31 | Alex de Minaur | 48%
|
| +17 | France | 29 | Gael Monfils | 48%
|
| +33 | South Korea | 25 | Hyeon Chung | 48%
|
| +7 | Spain | 28 | Fernando Verdasco | 29%
|
| +90 | Italy | 20 | Marco Cecchinato | 24%
|