Leon CH 2019
Blaz Rola won the title, beating Liam Broady 6–4 4–6 6–3 in the final.
Main draw 47 players
- 1🇰🇿Alexander Bublik#26Semifinals · Lost to Liam Broady
- 2🇪🇸Adrian Menendez MaceirasRound of 16 · Lost to Marcelo Arevalo
- 3🇺🇸Christopher EubanksRound of 32 · Lost to Liam Broady
- 4JAMDustin BrownRound of 32 · Lost to Manuel Guinard
- 5🇦🇹Sebastian Ofner#120Quarterfinals · Lost to Liam Broady
- 6🇧🇦Mirza BasicRound of 16 · Lost to Roberto Quiroz
- 7🇬🇧James WardSemifinals · Lost to Blaz Rola
- 8🇪🇬Mohamed SafwatRound of 16 · Lost to Gonzalo Escobar
- 9🇷🇸Pedja KrstinRound of 16 · Lost to Sebastian Ofner
- 10🇺🇸Donald YoungRound of 32 · Lost to Gonzalo Escobar
- 11BARDarian KingRound of 16 · Lost to James Ward
- 12🇪🇨Roberto QuirozQuarterfinals · Lost to Alexander Bublik
- 13🇦🇺John Patrick SmithRound of 32 · Lost to Danilo Petrovic
- 14🇸🇮Blaz RolaFinal · Champion
- 15🇦🇹Lucas MiedlerRound of 16 · Lost to Liam Broady
- 16ESAMarcelo ArevaloQuarterfinals · Lost to James Ward
- 🇬🇧Liam Broady#215Final · Lost to Blaz Rola
- 🇪🇨Gonzalo EscobarQuarterfinals · Lost to Blaz Rola
- 🇷🇸Danilo PetrovicRound of 16 · Lost to Alexander Bublik
- ITF🇫🇷Manuel GuinardRound of 16 · Lost to Blaz Rola
- 🇺🇸Alexander SarkissianRound of 32 · Lost to Marcelo Arevalo
- ITF🇪🇸Andres Artunedo MartinavarroRound of 32 · Lost to Lucas Miedler
- ITF🇫🇷Baptiste CrepatteRound of 32 · Lost to James Ward
- 🇭🇷Borna Gojo#134Round of 32 · Lost to Mohamed Safwat
- PR🇪🇸Carlos Gomez HerreraRound of 32 · Lost to Sebastian Ofner
- WC🇲🇽Lucas GomezRound of 32 · Lost to Roberto Quiroz
- 🇨🇭Marc-Andrea Huesler#300Round of 32 · Lost to Blaz Rola
- Q🇺🇸Martin RedlickiRound of 32 · Lost to Mirza Basic
- 🇪🇸Roberto Ortega OlmedoRound of 32 · Lost to Pedja Krstin
- 🇳🇱Scott GriekspoorRound of 32 · Lost to Alexander Bublik
- ITF🇹🇳Skander MansouriRound of 32 · Lost to Darian King
- 🇧🇷Thiago Seyboth Wild#98Round of 32 · Lost to Adrian Menendez Maceiras
- 🇭🇷Ante PavicRound of 64 · Lost to Manuel Guinard
- LL🇦🇷Camilo Ugo Carabelli#65Round of 64 · Lost to Danilo Petrovic
- 🇲🇽Ernesto EscobedoRound of 64 · Lost to Skander Mansouri
- 🇺🇸Evan KingRound of 64 · Lost to Thiago Seyboth Wild
- Q🇨🇴Felipe MantillaRound of 64 · Lost to Lucas Gomez
- WC🇲🇽Gerardo Lopez VillasenorRound of 64 · Lost to Carlos Gomez Herrera
- ITF🇧🇷Joao MenezesRound of 64 · Lost to Andres Artunedo Martinavarro
- 🇺🇸Kevin KingRound of 64 · Lost to Gonzalo Escobar
- WC🇲🇽Luis PatinoRound of 64 · Lost to Alexander Sarkissian
- 🇦🇷Matias Franco DescotteRound of 64 · Lost to Baptiste Crepatte
- 🇺🇸Michael RedlickiRound of 64 · Lost to Scott Griekspoor
- 🇦🇷Renzo OlivoRound of 64 · Lost to Liam Broady
- DOMVictor EstrellaRound of 64 · Lost to Marc-Andrea Huesler
- 🇳🇴Viktor Durasovic#498Round of 64 · Lost to Borna Gojo
- 🇯🇵Yusuke TakahashiRound of 64 · Lost to Roberto Ortega Olmedo