Fuente: WIPO "tomato" A novel sorghum variety designated 2PRBA66R and seed, plants and plant parts thereof are provided. Methods for producing a plant comprise crossing sorghum variety 2PRBA66R with another plant. Sorghum seed, plants and plant parts produced by crossing sorghum variety 2PRBA66R with another plant are described. Methods for producing a plant containing in its genetic material one or more traits introgressed into 2PRBA66R include one or both of backcross conversion and transformation. Hybrid sorghum seed, plants or plant parts produced by crossing the sorghum variety 2PRBA66R or a locus conversion of 2PRBA66R with another sorghum variety are disclosed.