Rankings, career records and tournament history for the ATP field, plus the head to head between any two of them.
| Rank | Player | Country |
|---|---|---|
| 22 | Alexander Bublik | Kazakhstan |
| 28 | Alexander Blockx | Belgium |
| 36 | Ignacio Buse | Peru |
| 39 | Zizou Bergs | Belgium |
| 46 | Matteo Berrettini | Italy |
| 51 | Nuno Borges | Portugal |
| 53 | Sebastian Baez | Argentina |
| 62 | Roman Andres Burruchaga | Argentina |
| 86 | Mattia Bellucci | Italy |
| 92 | Benjamin Bonzi | France |
| 93 | Yunchaokete Bu | China |
| 102 | Jenson Brooksby | United States |
| 124 | Nikoloz Basilashvili | GEO |
| 132 | Marcelo Tomas Barrios Vera | Chile |
| 139 | Nishesh Basavareddy | United States |
| 152 | Nicolai Budkov Kjaer | Norway |
| 159 | Darwin Blanch | United States |
| 170 | Alex Bolt | Australia |
| 182 | Tristan Boyer | United States |
| 183 | Gonzalo Bueno | Peru |
| 183 | Roberto Bautista Agut | Spain |
| 197 | Alex Barrena | Argentina |
| 198 | Felix Balshaw | France |
| 199 | Edas Butvilas | Lithuania |
| 199 | Ugo Blanchet | France |
| 307 | Gabi Adrian Boitan | Romania |
| 331 | Max Basing | Great Britain |
| 561 | Reda Bennani | Morocco |
| 593 | Taha Baadi | Canada |
| 755 | Karim Bennani | Morocco |
| 1052 | Thijs Boogaard | Netherlands |
| 9999 | Raul Brancaccio | Italy |
