Players ATPWTA
| Name | Country |
|---|---|
| Mateo Andres Ruiz Naranjo | COL |
| Georgi Rumenov Payakov | ESP |
| Robert Rumler | CZE |
| Alexander Rumyantsev | RUS |
| Holger Rune | DEN |
| Christopher Rungkat | INA |
| Andrew Ruppli | SUI |
| Michael Russell | USA |
| Eduardo Russi Assumpcao | BRA |
| Casper Ruud | NOR |
| Emil Ruusuvuori | FIN |
| Alex Rybakov | USA |