Former Asia Tour Number One Thongchai Jaidee climbed into a three way tie at the top of the Hana Bank Vietnam Masters leaderboard after carding a third round two under par 70.
The Thai carded four birdies against two bogeys for a 10 under 206 and is alongside Japan's Kodai Ichihara (72) and Korea's Pyo Suk-min (73) in a one-stroke lead ahead of the final round at the Vietnam Golf and Country Club.
Korea's Young Nam and Rhys Davies of Wales both returned to the clubhouse with 70s and are tied for fourth spot together with Artemio Murakami (71) of the Philippines.
Thailand's Thaworn Wiratchant shot a 71 and is alongside compatriot Pijit Petchkasem, who carded a 69, in seventh place at the Asian Tour event.
