Question

He asked his friends,"Are you going to play today ?"​

Answer 1

$\huge\underline\bold\pink{Given\: Sentence}$

He asked his friends , " Are you going to play today ?"

$\huge\underline\bold\purple{Question}$

To change it in passive voice

$\huge\underline\bold\red{Answer}$

=> He asked his friends whether they were going to play that day

your query has been solved dear mate

Keep smiling keep shining keep learning

$\huge\underline\bold\blue{Thanks}$