U.S. Men's Clay Court Championships 2011
Ryan Sweeting won the title, beating Kei Nishikori 6–4 7–6(3) in the final.
Main draw 28 players
- 1🇺🇸Mardy FishQuarterfinals · Lost to Kei Nishikori
- 2🇺🇸Sam QuerreyRound of 16 · Lost to Ryan Sweeting
- 3🇪🇸Guillermo Garcia LopezQuarterfinals · Lost to Pablo Cuevas
- 4🇺🇸John IsnerQuarterfinals · Lost to Ivo Karlovic
- 5🇩🇪Benjamin BeckerRound of 32 · Lost to Ivo Karlovic
- 6🇯🇵Kei NishikoriFinal · Lost to Ryan Sweeting
- 7🇺🇾Pablo CuevasSemifinals · Lost to Kei Nishikori
- 8🇧🇬Grigor Dimitrov#134Round of 16 · Lost to Teymuraz Gabashvili
- WC🇺🇸Ryan SweetingFinal · Champion
- Q🇭🇷Ivo KarlovicSemifinals · Lost to Ryan Sweeting
- 🇷🇺Teymuraz GabashviliQuarterfinals · Lost to Ryan Sweeting
- 🇪🇸Albert RamosRound of 16 · Lost to Mardy Fish
- 🇦🇷Horacio ZeballosRound of 16 · Lost to John Isner
- 🇷🇺Igor AndreevRound of 16 · Lost to Kei Nishikori
- 🇷🇺Igor KunitsynRound of 16 · Lost to Ivo Karlovic
- WC🇺🇸James BlakeRound of 16 · Lost to Pablo Cuevas
- 🇮🇳Somdev DevvarmanRound of 16 · Lost to Guillermo Garcia Lopez
- 🇦🇷Brian DabulRound of 32 · Lost to Albert Ramos
- 🇦🇷Carlos BerlocqRound of 32 · Lost to James Blake
- Q🇭🇷Franko SkugorRound of 32 · Lost to Kei Nishikori
- 🇺🇸Michael RussellRound of 32 · Lost to Igor Andreev
- 🇩🇪Mischa ZverevRound of 32 · Lost to Igor Kunitsyn
- Q🇨🇱Paul CapdevilleRound of 32 · Lost to Teymuraz Gabashvili
- 🇩🇪Rainer SchuettlerRound of 32 · Lost to Grigor Dimitrov
- 🇧🇷Ricardo MelloRound of 32 · Lost to Pablo Cuevas
- 🇺🇸Robert KendrickRound of 32 · Lost to Somdev Devvarman
- WC🇺🇸Ryan HarrisonRound of 32 · Lost to Horacio Zeballos
- Q🇺🇸Tim SmyczekRound of 32 · Lost to Ryan Sweeting