Hisatsune leads Matsuyama at Phoenix Open as Scheffler makes cut
Hisatsune picked up six strokes in the space of five holes on the back nine at TPC Scottsdale building an 11-under par total of 131.
Former Masters champion Matsuyama had a six-birdie streak of his own in a seven-under par 64 for 10-under 132.
Hisatsune, a 23-year-old chasing his first PGA Tour title, had two birdies on the front nine before launching his streak with a four-foot birdie at the 13th.
He drained a 23-foot birdie putt at 14, rolled in an eight-foot eagle at 15 and a seven-foot birdie at 16.