Leon CH 2012
Denis Zivkovic won the title, beating Rajeev Ram 7–6(5) 6–4 in the final.
Main draw 32 players
- 1🇦🇺Marinko MatosevicRound of 32 · Lost to Miguel Gallardo Valles
- 2🇺🇸Rajeev RamFinal · Lost to Denis Zivkovic
- 3🇮🇹Matteo ViolaSemifinals · Lost to Rajeev Ram
- 4🇨🇿Jan MertlRound of 16 · Lost to Andrej Martin
- 5🇨🇦Erik ChvojkaRound of 32 · Lost to Agustin Velotti
- 6🇬🇧Jamie BakerRound of 32 · Lost to John Patrick Smith
- 7🇨🇦Pierre Ludovic DuclosRound of 32 · Lost to Daniel Garza
- 8🇲🇩Roman BorvanovRound of 16 · Lost to Denis Zivkovic
- Q🇺🇸Denis ZivkovicFinal · Champion
- 🇦🇷Agustin VelottiSemifinals · Lost to Denis Zivkovic
- 🇸🇰Andrej Martin#359Quarterfinals · Lost to Denis Zivkovic
- 🇲🇽Daniel GarzaQuarterfinals · Lost to Matteo Viola
- 🇦🇺John Patrick SmithQuarterfinals · Lost to Rajeev Ram
- WC🇲🇽Miguel Gallardo VallesQuarterfinals · Lost to Agustin Velotti
- 🇫🇷Albano OlivettiRound of 16 · Lost to Rajeev Ram
- Q🇦🇺Colin EbelthiteRound of 16 · Lost to Agustin Velotti
- 🇫🇷Fabrice MartinRound of 16 · Lost to Miguel Gallardo Valles
- 🇫🇷Pierre Hugues HerbertRound of 16 · Lost to Matteo Viola
- 🇮🇹Riccardo GhedinRound of 16 · Lost to John Patrick Smith
- 🇹🇼Ti ChenRound of 16 · Lost to Daniel Garza
- 🇬🇧Alexander WardRound of 32 · Lost to Pierre Hugues Herbert
- 🇩🇪Andre BegemannRound of 32 · Lost to Denis Zivkovic
- Q🇲🇽Bruno RodriguezRound of 32 · Lost to Roman Borvanov
- WC🇲🇽Cesar RamirezRound of 32 · Lost to Albano Olivetti
- 🇬🇧Chris EatonRound of 32 · Lost to Matteo Viola
- LL🇦🇺Chris LetcherRound of 32 · Lost to Rajeev Ram
- LLGUAChristopher Diaz FigueroaRound of 32 · Lost to Ti Chen
- Q🇦🇺John PeersRound of 32 · Lost to Riccardo Ghedin
- WC🇲🇽Manuel SanchezRound of 32 · Lost to Colin Ebelthite
- 🇮🇹Matteo MarraiRound of 32 · Lost to Fabrice Martin
- 🇨🇭Michael LammerRound of 32 · Lost to Jan Mertl
- 🇸🇪Michael RyderstedtRound of 32 · Lost to Andrej Martin