In some competitions, a tie is considered to be drawn if each team wins one leg, regardless of the aggregate score.
It applied to all its playoffs from 1918 to 1926, and the early rounds until 1937, when it completed the switch to best-of-n series; Rendez-vous '87 (which pitted a team of NHL All-Stars against the Soviet Union) was the only two-legged tie to be held in the league's history after 1937.
The NCAA Men's Ice Hockey Championship also used a two-game total goals format for much of its history.
The French Pro A league used two-legged ties in all of its playoff rounds, except for the one-off final, until the 2006–07 season.
At that time, all of its playoff rounds leading up to the final, which remained a single match through 2011–12, were changed to best-of-three series.
However, the winner of the second game won by a larger margin (within regulation time) and was awarded overall victory based on total aggregate points.
In handball, two-legged ties with aggreate scores are used in competitions like the EHF Champions League or the qualification to the World Men's and Women's Championships.
Outside of sports, the American game shows Jeopardy!, Wheel of Fortune, and The Challengers have used the two-legged tie in the final round of tournament play at some point in their history.
[3][4] In the case of World Cup intercontinental playoffs, the team that plays the second leg at home has won 61% of ties.