Turn Taking.

In Game Game 7261151 the other player has just missed a turn, now I took my turn last round so I took it first. why is the other person going first.
(Yes I know I'm winning, but this isn't just about that it's about how the turns work as well.)
Thanks in advance.
(Yes I know I'm winning, but this isn't just about that it's about how the turns work as well.)
Thanks in advance.