| Surname | Name | Country | Age | Gender | Hand |
|---|---|---|---|---|---|
| Selekhmeteva | Oksana | Russia | 23 | WTA | Left |
| Semenistaja | Darja | Latvia | 23 | WTA | Left |
| Sevastova | Anastasija | Latvia | 35 | WTA | Right |
| Seyboth Wild | Thiago | Brazil | 25 | ATP | Right |
| Shapovalov | Denis | Canada | 26 | ATP | Left |
| Shelton | Ben | USA | 23 | ATP | Left |
| Sherif | Mayar | Egypt | 29 | WTA | Right |
| Shevchenko | Alexander | Kazakhstan | 25 | ATP | Right |
| Shi | Han | China | 20 | WTA | Right |
| Shibahara | Ena | Japan | 28 | WTA | Right |
| Shnaider | Diana | Russia | 21 | WTA | Left |
| Siegemund | Laura | Germany | 37 | WTA | Right |
| Sierra | Solana | Argentina | 21 | WTA | Right |
| Siniakova | Katerina | Czech Republic | 29 | WTA | Right |
| Sinner | Jannik | Italy | 24 | ATP | Right |
| Skatov | Timofey | Kazakhstan | 25 | ATP | Right |
| Smith | Colton | USA | 22 | ATP | Right |
| Snigur | Daria | Ukraine | 23 | WTA | Right |
| Sobolieva | Anastasiia | Ukraine | 21 | WTA | Right |
| Sonego | Lorenzo | Italy | 30 | ATP | Right |
| Sonmez | Zeynep | Turkey | 23 | WTA | Right |
| Sorribes Tormo | Sara | Spain | 29 | WTA | Right |
| Spizzirri | Eliot | USA | 24 | ATP | Right |
| Squire | Henri | Germany | 25 | ATP | Right |
| Sramkova | Rebecca | Slovakia | 29 | WTA | Right |
| Stakusic | Marina | Canada | 21 | WTA | Right |
| Starodubtseva | Yulia | Ukraine | 26 | WTA | Right |
| Stearns | Peyton | USA | 24 | WTA | Right |
| Stefanini | Lucrezia | Italy | 27 | WTA | Right |
| Stephens Sloane | A. | USA | 32 | WTA | Right |
| Stojanovic | Nina | Serbia | 29 | WTA | Right |
| Stojsavljevic | Mika | Great Britain | 17 | WTA | Right |
| Stricker | Dominic | Switzerland | 23 | ATP | Left |
| Struff | Jan-Lennard | Germany | 35 | ATP | Right |
| Sun | Lulu | New Zealand | 24 | WTA | Left |
| Svajda | Zachary | USA | 23 | ATP | Right |
| Svitolina | Elina | Ukraine | 31 | WTA | Right |
| Svrcina | Dalibor | Czech Republic | 23 | ATP | Right |
| Sweeny | Dane | Australia | 25 | ATP | Right |
| Swiatek | Iga | Poland | 24 | WTA | Right |
| Taberner | Carlos | Spain | 28 | ATP | Right |
| Tabilo | Alejandro | Chile | 28 | ATP | Left |
| Tabur | Clement | France | 26 | ATP | Right |
| Tarvet | Oliver | Great Britain | 22 | ATP | Right |
| Tauson | Clara | Denmark | 23 | WTA | Right |
| Teichmann Jil | Belen | Switzerland | 28 | WTA | Left |
| Thiem | Dominic | Austria | 32 | ATP | Right |
| Thompson | Jordan | Australia | 31 | ATP | Right |
| Tiafoe | Frances | USA | 28 | ATP | Right |
| Tien | Learner | USA | 20 | ATP | Left |