Jackson Koivun fended off Scottie Scheffler to pick up his inaugural PGA Tour win on Sunday afternoon.Andrew Wevers via Getty ImagesJackson Koivun only needed a few weeks to pick up his first PGA Tour win.Now, the 21-year-old former Auburn star has already surpassed the $1 million threshold.Koivun ran away with the 3M Open this weekend, and successfully fended off the top-ranked golfer in the world, to grab his inaugural Tour victory. Koivun posted a 5-under 66 in his final round on Sunday at TPC Twin Cities, which got him to 25-under on the week and gave him the three-shot win.That win secured him a $1.584 million check, part of the $8.8 million purse that was up for grabs this week in Blaine, Minnesota.THE FUTURE IS NOW 21-year-old Jackson Koivun breaks through with his first PGA Tour victory at the @3MOpen CBS pic.twitter.com/jsXbXhZRTj Golf Channel (@GolfChannel) July 26, 2026Koivun entered the final round with a three-shot lead over the field, thanks to the 10-under 61 he posted on Saturday. Koivun posted a 28 on his back nine in the third round, too, which set a tournament record and got him to 20-under on the week.But even as Scheffler made a big run to put some pressure on him Scheffler went 8-under in his final round and entered the clubhouse down by just two Koivun never slowed down. He held strong and finished out his bogey-free day to secure the win just 24 days after officially turning pro. The 21-year-old, who won two national titles at Auburn and won all of the major awards this past season, turned pro after the U.S. Open. Koivun posted a T23 at Shinnecock Hills, and then finished T10 at the ISCO Championship a few weeks later.Heres a look at how much Koivun and the rest of the field earned this week in the Twin Cities.3M Open payouts1. Jackson Koivun $1.584 million2. Scottie Scheffler $959,200T3. Hideki Matsuyama, Brian Harman, Chandler Phillips, Denny McCarthy $429,550T7. Davis Thompson, Emiliano Grillo $286,0009. Ben Kohles $257,400T10. Gary Woodland, Seamus Power, Michael Kim $222,200T13. Jake Knapp, Zac Blair, Billy Horschel $172,333T16. Patrick Fishburn, Zecheng Dou, Davis Chatfield, Kevin Yu $138,600T20. Christiaan Bezuidenhout, Tom Kim, Rasmus Neergaard-Petersen, Lee Hodges $103,840T24. John Parry, Kevin Streelman, Austin Smotherman, Kurt Kitayama, Hank Lebioda, Chandler Blanchet, Michael Brennan $70,086T31. Max Greyserman, Kevin Roy, Chris Kirk $55,000T34. Maverick McNealy, Muzzy Donohue, Joel Dahmen, Vince Whaley, Mark Hubbard $45,848T39. Pontus Nyholm, Jordan Smith, Corey Conners, John VanDerLaan, Troy Merritt $36,520T44. Matti Schmid, Mackenzie Hughes, Neal Shipley, Zach Bauchou, Jesper Svensson, Keith Mitchell, Ricky Castillo $26,413T51. Camilo Villegas, Jimmy Stanger, Kristoffer Ventura, Casey Jarvis $21,42855. A.J. Ewart $20,68056. Beau Hossler $20,504T57. Haotong Li, Lucas Glover, Austin Eckroat $20,152T60. Sam Stevens, Will Gordon $19,712T62. Rico Hoey, Trace Crowe $19,360T64. Lanto Griffin, Jeffrey Kang $19,00866. Fabin Gmez $18,744