white, light blue (worn by the defunct football team during the amateur era) and black. The strong rivalry between CASI and SIC has remained to date. Although it was located in the centre of San Isidro, the installations of the Quinta Pueyrredón were not able to practise sports, so SIC played its home games at the Club Arquitectura of Núñez neighborhood. Consolidation In 1939 the club moved to a land located in Boulogne, which the facilities and the stadium were built. Due to the land was crossed by a ditch, SIC was renamed as El Zanjero (The Ditch Builder). In 1939 the team won its first title, but was relegated to the lower division in 1946, but the following year SIC returned to the first division and won a new title in 1948. The team also remained undefeated during the entire tournament. More than 20 years would pass until the next championship, in 1970. Since then, SIC has achieved a long list of titles becoming one of the most important teams of Argentina. The team also toured on Great Britain (1972) and South Africa (1973) gaining recognition. During the 1980 SIC won 6 championships. On 22 October 1987, SIC achieved a historical 22–22 draw against Australia, one of the semi-finalist teams of the recently played 1987 Rugby World Cup in New Zealand. Another highlight in SIC's history was on 1980 when the team defeated Fiji 28–11 During the 2000s SIC has won 6 titles in 19 years. It last achievement was the 2019 URBA Top 12 championship, defeating Belgrano Athletic Club 22–19 in the added time and obtaining the 26th. title for the club. Rivalry SIC main rival is the Club Atlético San Isidro (CASI) since both clubs were separated. This rivalry is so strong that has been nicknamed as "The Superclásico of Argentine rugby". The first match played between SIC and CASI was on 9 May 1937, being SIC the winner by 3–0. Up to April 2019, CASI and SIC have played 130 matches, with 68 won by CASI and 52 by SIC. The largest victory achieved by SIC over CASI was in 2004, when the Zanjero won 55–18. The worst defeat at the hands of CASI, and the highest historical difference in a match between the two teams, was a 51–7 on 25 August 2013. Players Historic captains Titles Rugby union Nacional de Clubes (4): 1993, 1994, 2006,