The former world number one tennis player nicknamed A-Rod is Andre Agassi. He was nicknamed A-Rod due to his similarity to Alex Rodriguez, a former Major League Baseball player. Agassi won eight Grand Slam titles and held the world number one ranking for a total of 101 weeks.
None of the former world number one tennis players were nicknamed A-Rod. The nickname A-Rod is commonly associated with baseball player Alex Rodriguez.
Andy Roddick, the former world number one tennis player nicknamed "A-Rod," was known for his powerful serves and aggressive playing style, earning him the moniker during his successful career.
