Boca Juniors is an Argentine professional football club based in Buenos Aires. The club first participated in a South American competition in 1919. The first international cup they took part in was the Copa Aldao in which they participated as champions of Argentina. The club competed in AFA/AUF cups from 1919 to 1946 and since entering the Copa Libertadores, in 1963, the club has competed in every CONMEBOL-organized competition, except the Copa CONMEBOL, Intercontinental Champions' Supercup, Suruga Bank Championship, Copa Merconorte, Copa Master de CONMEBOL and Copa Ganadores de Copa, most of them are extinct. Internationally, Boca Juniors has won a total of 22 international titles, with 18 organised by CONMEBOL and the rest organised jointly by the Argentine and Uruguayan Associations. Besides, the club is the second most successful team in the Copa Libertadores with 6 titles in 1977, 1978, 2000, 2001, 2003 and 2007, only behind CA Independiente. The club has also won the Recopa Sudamericana four times, in 1990, 2005, 2006 and 2008; and the Copa Sudamericana two times in 2004 and 2005, which is more than any other club for both trophies. Also, Boca won the Intercontinental Cup three times, in 1977, 2000 and 2003. Behind Real Madrid (26) and Al-Ahly (24), Boca Juniors is one of the most successful clubs in the world in terms of number of international titles (22). Overall record The debut of Boca in international competitions took place in the 1919 as a participant in the Tie Cup. Boca participated in 6 AFA/AUF competitions and won 4, which are now fully recognised by CONMEBOL and FIFA. They are all defunct. Since 1963, Boca has regularly competed in CONMEBOL/FIFA competitions, the club registers 73 participations, winning 18 titles, they are listed in order of appearance. In bold, current competitions. Legend: GF = Goals For. GA = Goals Against. GD = Goal Difference. Competitions Notes "(H)" denotes home ground, "(A)" denotes away ground and "(N)" symbolises neutral ground. The first score is always Boca's. In South America, matches between clubs from different countries date back to the beginning of the 20th century, with the Rio de la Plata football championships. They were official competitions held jointly by the Argentine and the Uruguayan Associations, before Conmebol was created. Those tournaments include Copa Aldao –contested by the league champions of both associations–, the Copa de Honor Cousenier –contested by winners of "Honor Cups" in both