| 2023 RD Open | |
|---|---|
| Date | 7–13 August |
| Edition | 7th |
| Surface | Clay (green) |
| Location | Santo Domingo, Dominican Republic |
| Champions | |
| Singles | |
 Genaro Alberto Olivieri | |
| Doubles | |
 Pedro Boscardin Dias / Gustavo Heide | |
The 2023 RD Open was a professional tennis tournament played on green clay courts. It was the seventh edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Santo Domingo, Dominican Republic between 7 and 13 August 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG | Federico Coria | 103 | 1 |
 CHI | Alejandro Tabilo | 122 | 2 |
| ARG | Thiago Agustín Tirante | 136 | 3 |
 ITA | Flavio Cobolli | 142 | 4 |
 BOL | Hugo Dellien | 165 | 5 |
| BRA | Felipe Meligeni Alves | 177 | 6 |
| ARG | Genaro Alberto Olivieri | 190 | 7 |
| ARG | Marco Trungelliti | 219 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Mateus Alves Ignacio Monzón
Jorge Panta 
Justin Roberts 
Kyle Seelig Joshua Sheehy Genaro Alberto Olivieri def. Marco Trungelliti 7–5, 2–6, 6–4. Pedro Boscardin Dias / Gustavo Heide def. 
Diego Hidalgo / 
Cristian Rodríguez 6–4, 7–5.