| 2026 |
Hard |
Michael Mmoh
d. Taro Daniel
4-6 6-4 6-3 |
| 2025 |
Hard |
Marc Andrea Huesler
d. Dmitry Popko
6-4 3-6 6-4 |
| 2024 |
Hard |
Giovanni Mpetshi Perricard
d. Nicolas Mejia
7-5 7-5 |
| 2023 |
Hard |
Thiago Agustin Tirante
d. James Duckworth
7-5 6-0 |
| 2022 |
Hard |
Jay Clarke
d. Adrian Menendez Maceiras
6-1 4-6 7-6(5) |
| 2020 |
Hard |
Jurij Rodionov
d. Juan Pablo Ficovich
4-6 6-2 6-3 |
| 2019 |
Hard |
Matias Franco Descotte
d. Gonzalo Escobar
6-1 6-4 |
| 2018 |
Hard |
Dennis Novikov
d. Cristian Garin
6-4 6-3 |
| 2017 |
Hard |
Alexander Bublik
d. Nicolas Jarry
7-6(5) 6-4 |
| 2016 |
Hard |
Gerald Melzer
d. Alejandro Gonzalez
7-6(4) 6-3 |
| 2015 |
Hard |
Victor Estrella
d. Damir Dzumhur
7-5 6-4 |
| 2014 |
Hard |
Gerald Melzer
d. Victor Estrella
6-1 6-4 |