Rankings, career records and tournament history for the ATP field, plus the head to head between any two of them.
| Rank | Player | Country |
|---|---|---|
| 6 | Daniil Medvedev | Russia |
| 15 | Jakub Mensik | Czech Republic |
| 25 | Lorenzo Musetti | Italy |
| 35 | Alex Michelsen | United States |
| 44 | Daniel Merida | Spain |
| 49 | Jaume Munar | Spain |
| 63 | Fabian Marozsan | Hungary |
| 70 | Kamil Majchrzak | Poland |
| 71 | Corentin Moutet | France |
| 75 | Tomas Machac | Czech Republic |
| 78 | Hamad Medjedovic | Serbia |
| 83 | Adrian Mannarino | France |
| 84 | Alex Molcan | Slovakia |
| 108 | Giovanni Mpetshi Perricard | France |
| 119 | Nicolas Mejia | Colombia |
| 123 | Shintaro Mochizuki | Japan |
| 130 | Pedro Martinez | Spain |
| 133 | Alexandre Muller | France |
| 151 | Michael Mmoh | United States |
| 162 | Filip Misolic | Austria |
| 169 | Mackenzie McDonald | United States |
| 171 | Francesco Maestrelli | Italy |
| 181 | Elmer Moller | Denmark |
| 200 | Lautaro Midon | Argentina |
| 200 | Gael Monfils | France |
| 234 | James McCabe | Australia |
| 322 | Andres Martin | United States |
| 561 | Aidan Mayo | United States |
| 569 | Niels McDonald | Germany |
| 1586 | Luis Guto Miguel | Brazil |
| 9999 | Igor Marcondes | Brazil |
