Nawaz began the over with a dot ball before Green passed the strike to Myburgh for a single.
He made an appeal for lbw to dismiss Myburgh on the fourth delivery, but the umpire was not convinced. Pakistan then opted for a review, but the verdict remain unchanged.
Myburgh passed the strike to Green for a single off the next delivery, and the over ended with a dot ball.
After 15 overs, Namibia are 83-7.
