| Aadith, KA | IND | ITF link |
| Aarif, El Mehdi | MAR | ITF link |
| Abbadessa, Francesco | GBR | ITF link |
| Abde Celis, Jorge | CHI | ITF link |
| Abdullin, Alan | RUS | ITF link |
| Abduraufov, Samin | ESP | ITF link |
| Abdusamadov, Damir | UZB | ITF link |
| Aboian, Valerio | ARG | ITF link |
| Abraham, George | MEX | ITF link |
| Abrorov, Ilyos | UZB | ITF link |
| Abukusumo, Abasi | USA | ITF link |
| Abulhasan, Faisal | KSA | ITF link |
| Abu-Ragheef, Alhamza | IRQ | ITF link |
| Achondo, Gonzalo | CHI | ITF link |
| Acquah, Johnson | GHA | ITF link |
| Adachi, Taki | JPN | ITF link |
| Adam-Gedge, Zachary | AUS | ITF link |
| Added, Dan | FRA | ITF link |
| Adeleye, Daniel | NGR | ITF link |
| Adesoro, Ashton | USA | ITF link |
| Adhicandra, Iwan | INA | ITF link |
| Admiraal, Amadatus | NED | ITF link |
| Aerne, Laurin | SUI | ITF link |
| Afanasjevs, Artjoms | LAT | ITF link |
| Affolter, Elia Joel | SUI | ITF link |
| Affolter, Nicolas | SUI | ITF link |
| Agafonov, Egor | RUS | ITF link |
| Agamenone, Franco | ITA | ITF link |
| Agarwal, Nikhil | USA | ITF link |
| AGGARWAL, Parth | IND | ITF link |
| Aguiard, Enzo | AUS | ITF link |
| Aguiar Johansson, David | ESP | ITF link |
| Aguilar, Juan Carlos | CAN | ITF link |
| Aguilar Cardozo, Federico | URU | ITF link |
| Aguilar Cardozo, Joaquin | URU | ITF link |
| Agushi, Mal | KOS | ITF link |
| AGWI, Michael | IRL | ITF link |
| Ahsan, Tibeanul | BAN | ITF link |
| Ahti, Vesa | FIN | ITF link |
| Aihara, Kazuki | JPN | ITF link |
| Akkocaoglu, Kerim | GER | ITF link |
| Aksonov, Kostiantyn | UKR | ITF link |
| Alabdullah, Bader | KUW | ITF link |
| Alam, Peter | GBR | ITF link |
| Alarcon, Mario Nicolas | ITA | ITF link |
| Alarcon, Benjamin Denis | ARG | ITF link |
| Al Azmeh, Taym | GER | ITF link |
| Alberca de las Casas, Fantino | ARG | ITF link |
| Alberti, Filippo | ITA | ITF link |
| Albertini, Natan | BRA | ITF link |
| Alcala Gurri, Max | ESP | ITF link |
| Alcaraz Galbis, Vicente | ESP | ITF link |
| Alcon, Juan Cruz | ARG | ITF link |
| Aleksandrovas, Julius | LTU | ITF link |
| Aleshchev, Alexey | RUS | ITF link |
| Alessandrini, Leonardo | ITA | ITF link |
| ALEXANDER, Sydney | FRA | ITF link |
| Alexandrescou, Yannick Theodor | ROU | ITF link |
| Alhogbani, Ammar Faleh | KSA | ITF link |
| Ali, Issah | KSA | ITF link |
| Alimli, Mikail | FRA | ITF link |
| Alkaya, Mert | TUR | ITF link |
| ALKOTOP, Mohammad | JOR | ITF link |
| Allam, Sairama Sriharshit | GBR | ITF link |
| Allen, Andy | AUS | ITF link |
| Allen, Louis | GBR | ITF link |
| Al Mahdi, Mahfuz | BAN | ITF link |
| Almansur, Daniil | RUS | ITF link |
| Almasi, Alfred | SVK | ITF link |
| Almazan Valiente, Izan | ESP | ITF link |
| Almeida, Afonso | POR | ITF link |
| Almeida Andres, Pedro | BRA | ITF link |
| Almeida Junior, Eugenio | BRA | ITF link |
| Alonso, Julian | ESP | ITF link |
| Alopaeus, Felix | FIN | ITF link |
| Al-Sakkal, Mohammad | USA | ITF link |
| Al Tori, Samer | ISR | ITF link |
| Alujas, Rodrigo | MEX | ITF link |
| Alvarado Berrospi, Alberto Odiseo | PER | ITF link |
| Alvarez, Thomas | COL | ITF link |
| Alvarez, Yannik | PUR | ITF link |
| Alvarez Sarmiento, Mateo Luis | ESP | ITF link |
| Alvarez Valdes, Luis Carlos | MEX | ITF link |
| Alves, Gustavo | BRA | ITF link |
| Alves, Mateus | BRA | ITF link |
| Alwakil, Omar | EGY | ITF link |
| alzeyadi, Safwan | LBA | ITF link |
| Amaral, Rafael | BRA | ITF link |
| Amarandei, Daniel Aleksandar | ITA | ITF link |
| Amarh, Eric | GHA | ITF link |
| Amarilla, Ramiro | ARG | ITF link |
| Ambarzumjan, Edison | GER | ITF link |
| Ambler, Casey | AUS | ITF link |
| Amey, Colter | USA | ITF link |
| Amiri, Farzan | USA | ITF link |
| Amirov, Davud | RUS | ITF link |
| Amititeloaie, Tudor | ROU | ITF link |
| Ampofo, Solomon | GHA | ITF link |
| Anand, Karthik | IND | ITF link |
| Anavatan, Melih | TUR | ITF link |