Before 1986, players could only win a point if they had
-
served
-
received
-
aced
-
both a and b
A
Correct answer
Explanation
Before the implementation of the 'Rally Point System' in 2006 (and various trials starting in the late 90s), badminton used a side-out scoring system where only the serving side could win a point. The question's 1986 date is slightly confusing, but the mechanic is correct.