The Santo Domingo Open, currently known as the RD Open, is a professional tennis tournament played on outdoor green clay courts in the Dominican Republic, originally known as Milex Open.^[1] From 2015, it is part of the ATP Challenger Tour. The tournament is currently held in the Santo Domingo Tennis Club (La Bocha) in Santo Domingo, Dominican Republic.

Past finals

Singles

Year	Champion	Runner-up	Score
2023	Genaro Alberto Olivieri	Marco Trungelliti	7–5, 2–6, 6–4
2022	Pedro Cachin	Marco Trungelliti	6–4, 2–6, 6–3
2021	Not held
2020
2019	Juan Pablo Varillas	Federico Coria	6–3, 2–6, 6–2
2018	Christian Garín	Federico Delbonis	6–4, 5–7, 6–4
2017	Víctor Estrella Burgos	Damir Džumhur	7–6(7–4), 6–4
2016	Guido Andreozzi	Nicolás Kicker	6–0, 6–4
2015	Damir Džumhur	Renzo Olivo	7–5, 3–1, ret.

Doubles

Year	Champions	Runners-up	Score
2023	Pedro Boscardin Dias Gustavo Heide	Diego Hidalgo Cristian Rodríguez	6–4, 7–5
2022	Ruben Gonzales Reese Stalder	Nicolás Barrientos Miguel Ángel Reyes-Varela	7–6(7–5), 6–3
2021	Not held
2020
2019	Ariel Behar Gonzalo Escobar	Orlando Luz Luis David Martínez	6–7(5–7), 6–4, [12–10]
2018	Leander Paes Miguel Ángel Reyes-Varela	Ariel Behar Roberto Quiroz	4–6, 6–3, [10–5]
2017	Juan Ignacio Londero Luis David Martínez	Daniel Elahi Galán Santiago Giraldo	6–4, 6–4
2016	Ariel Behar Giovanni Lapentti	Jonathan Eysseric Franko Škugor	7–5, 6–4
2015	Roberto Maytín Hans Podlipnik Castillo	Romain Arneodo Benjamin Balleret	6–3, 2–6, [10–4]