Boutier forced a play-off by making a testy birdie putt at the par-5 18th to close out a four-under 68, matching Hall (65) at 20-under in the LPGA's first full-field event of the season.

Playing the 18th hole again, neither golfer found the green with their second shot of the play-off. Boutier, chipping from nearly the same spot as she did in regulation short and right of the green, pitched to about four feet.

Meanwhile, Hall hit her second shot into a greenside bunker, blasted beyond the hole and failed to convert her birdie effort. That set the stage for Boutier's winning birdie putt.

With the victory, the 29-year-old Boutier claimed her third LPGA win and became the winningest French player on Tour, moving past Patricia Meunier-Lebouc and Anne-Marie Palli.

She had previously won the 2019 ISPS Handa Vic Open and 2021 ShopRite Classic.

After three birdie-filled rounds at Superstition Mountain Golf Club, the final round started with 17 players within three shots of the lead and stayed to form.

Hall made the most of her fourth round, posting one of three seven-under par scores, including going six-under on the back nine to charge into the early lead.

Japan's Ayaka Furue closed with a 65 and finished third at 19-under.

Na Rin An of South Korea was alone in fourth at 18-under with a closing 67, while American Ally Ewing (67) and South Korea's Jin Young Ko (68) were another stroke back in fifth.

Hannah Green, the only Australian to make the cut, shot a final-round 69 to finish at 10-under for a tie of 48th at the tournament.