Mapa do site - J
- Jaime Munguia - Jimmy Kilrain Kelly
- Jiří Lehečka - Felix Auger-Aliassime
- Jiří Lehečka - Hubert Hurkacz
- Jiří Lehečka - Rafael Nadal
- Jiří Lehečka - Stefanos Tsitsipas
- Jiří Procházka - Dominick Reyes
- Jiří Procházka - Glover Teixeira
- Jiří Procházka - Satoshi Ishii
- Jo-Wilfried Tsonga - Gael Monfils
- Jo-Wilfried Tsonga - Novak Djokovic
- Jo-Wilfried Tsonga - Roger Federer
- Joanna Jędrzejczyk - Zhang Weili
- Joao Sousa - Rafael Nadal
- Joao Sousa - Roberto Bautista Agut
- Joaquim Silva - Olivier Aubin-Mercier
- Jodie Esquibel - Karolina Kowalkiewicz
- Joe Cordina - Shavkatdzhon Rakhimov
- Joe Cusumano - Adam Kownacki
- Joe Fournier - Olajide William Olatunji
- Joe Goodall - Efe Ajagba
- Joe Ham - Qais Ashfaq
- Joe Hughes - Andrea Scarpa
- Joe Hughes - Sandor Martin
- Joe Hughes - Tyrone Nurse
- Joe Joyce - Daniel Dubois
- Joe Joyce - Derek Chisora
- Joe Joyce - Filip Hrgovic
- Jack Hermansson - Joe Pyfer
- Jake Ball - Joe Sherriff
- Joe Smith Jr - Andrzej Fonfara
- Joe Smith Jr - Artur Beterbiev
- Joe Smith Jr - Bernard Hopkins
- Joe Smith Jr - Dmitry Bivol
- Joe Smith Jr - Eleider Álvarez
- Joe Smith Jr - Gilberto Ramirez
- Joffrey Jacob - Joel Duchemin
- Joel Montes - Carlos Ruiz
- Joel Tambwe Djeko - Craig Kennedy
- Joet Gonzalez - Emanuel Navarrete
- Joet Gonzalez - Luis Alberto Lopez