GOD'S WORD® Translation
When you pray, go to your room and close the door. Pray privately to your Father who is with you. Your Father sees what you do in private. He will reward you.

American Standard Version
But thou, when thou prayest, enter into thine inner chamber, and having shut thy door, pray to thy Father who is in secret, and thy Father who seeth in secret shall recompense thee.

Berean Study Bible
But when you pray, go into your inner room, shut your door, and pray to your Father, who is unseen. And your Father, who sees what is done in secret, will reward you.

Douay-Rheims Bible
But thou when thou shalt pray, enter into thy chamber, and having shut the door, pray to thy Father in secret: and thy Father who seeth in secret will repay thee.

English Revised Version
But thou, when thou prayest, enter into thine inner chamber, and having shut thy door, pray to thy Father which is in secret, and thy Father which seeth in secret shall recompense thee.

King James Bible
But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.

World English Bible
But you, when you pray, enter into your inner room, and having shut your door, pray to your Father who is in secret, and your Father who sees in secret will reward you openly.

Young's Literal Translation
But thou, when thou mayest pray, go into thy chamber, and having shut thy door, pray to thy Father who is in secret, and thy Father who is seeing in secret, shall reward thee manifestly.

Matthew 6:6 Additional Translations ...