Players ATPWTA
| Name | Country |
|---|---|
| Yannick Thivant | FRA |
| Clay Thompson | USA |
| Jordan Thompson | AUS |
| Bjorn Thomson | IRL |
| Sean Thornley | GBR |
| Adam Thornton-Brown | GBR |
| David Thurner | GER |
| Frances Tiafoe | USA |
| Learner Tien | USA |
| Patrick Tierro | PHI |
| Taha Tifnouti | MAR |
| Maksim Tikhomirov | USA |
| Matteo Tinelli | ITA |
| Janko Tipsarevic | SRB |
| Thiago Agustin Tirante | ARG |
| Gabe Tishman | USA |
| Abhijeet Tiwari | IND |
| Renta Tokuda | JPN |
| Pol Toledo Bague | ESP |
| Tomas Toman | CZE |
| Luca Tomasetto | ITA |
| Michael Tomi | FRA |
| Bernard Tomic | AUS |
| Josko Topic | CRO |
| Peter Torebko | GER |
| Mikael Torpegaard | DEN |
| Eduardo Agustin Torre | ARG |
| Oscar Torres | COL |
| Giulio Torroni | ITA |
| Goran Tosic | SRB |
| Csongor Toth | HUN |
| Junya Toyono | JPN |
| Stefano Travaglia | ITA |
| Petar Trendafilov | BUL |
| Matteo Trevisan | ITA |
| Beauregard Treyz | USA |
| Bastian Trinker | AUT |
| Jonas Trinker | AUT |
| Viktor Troicki | SRB |
| Ty Trombetta | USA |
| Wishaya Trongcharoenchaikul | THA |
| Caleb Troy | USA |
| Christian Trubrig | AUT |
| Marco Trungelliti | ARG |
| Walter Trusendi | ITA |
| Chun Hsin Tseng | TPE |
| Stefanos Tsitsipas | GRE |
| George Tsivadze | GEO |
| Jo-Wilfried Tsonga | FRA |
| Pavel Tsoy | UZB |