Rankings, career records and tournament history for the ATP field, plus the head to head between any two of them.
| Rank | Player | Country |
|---|---|---|
| 8 | Novak Djokovic | Serbia |
| 9 | Alex de Minaur | Australia |
| 21 | Luciano Darderi | Italy |
| 26 | Alejandro Davidovich Fokina | Spain |
| 64 | James Duckworth | Australia |
| 69 | Facundo Diaz Acosta | Argentina |
| 72 | Titouan Droguet | France |
| 95 | Jesper De Jong | Netherlands |
| 103 | Damir Dzumhur | Bosnia and Herzegovina |
| 104 | Martin Damm Jr | United States |
| 121 | Gabriel Diallo | Canada |
| 127 | Grigor Dimitrov | Bulgaria |
| 128 | Hugo Dellien | Bolivia |
| 158 | Jack Draper | Great Britain |
| 158 | Liam Draxl | Canada |
| 174 | Matej Dodig | Croatia |
| 177 | Taro Daniel | Japan |
| 179 | Laslo Djere | Serbia |
| 190 | Diego Dedura-Palomero | Germany |
| 195 | Guy Den Ouden | Netherlands |
| 300 | Miguel Damas | Spain |
| 694 | Dylan Dietrich | Switzerland |
| 1348 | Max Dahlin | Sweden |
