Best placed teams of RRU qualify to play the Torneo del Litoral, along with clubs from Santa Fe and Entre Ríos unions.

[4] local newspaper La Capital (dated 19 October 1871) mentioned a match of "a strange game known in England as 'rugby football'".

Held in Plaza Jewell, home venue of Club Atlético del Rosario, the Lions defeated the combined team by 24–0 in a rainy day.

One year later, Atlético del Rosario, Universitario, Gimnasia y Esgrima, Provincial, Newell's Old Boys and defunct Deportivo Argentino founded the "Santa Fe Rugby Union", on 14 August 1928.

That same year the Union changed its name to "Unión de Rugby del Litoral Argentino", adding teams from the cities of Santa Fe and Entre Ríos.

[6][7] The coming of the World War II caused international visits to be ceased until 1948, when a team formed by Oxford and Cambridge Universities.

The representative side played the Oxford-Cambridge combined during their second visit in 1956 and the Junior Springboks when the Boks toured on the country in 1959 (a 81–0 loss at Plaza Jewell).

The URR has clubs from different cities of Santa Fe, Córdoba and even Buenos Aires provinces, they are:[9] URR clubs (with the exception of Atlético del Rosario) compete in the annual Torneo del Litoral, an interprovincial competition that also includes teams from the neighboring unions of Santa Fe and Entre Ríos.