After three straight rounds with defending champion Mika Koivuniemi at the top of the leaderboard at the 2019 Suncoast PBA Senior U.S. Open, there were big changes Thursday as qualifying came to a close.

Norway’s Tore Torgersen, a non-PBA member, made his way into the lead with a 24-game total of 5,257, a 219.04 average, at Suncoast in Las Vegas. Koivuniemi dropped to fourth place with 5,228.

Torgersen, an international star for the Norwegian team for years, used a 1,298 block in his final round of qualifying to jump into the lead after sitting in second place after the third round.

Results: Senior U.S. Open Qualifying Round 4

The top 38 players advanced to match play based on their 24-game qualifying totals. Match play will consist of two six-game rounds at 8 a.m. and 12:15 p.m. Pacific.

After 36 total games, the top five players will bowl for the title in the stepladder finals at 4:15 p.m. Pacific on Friday. All rounds of the event are being broadcast live on FloBowling.

Pete Weber put together another solid qualifying block to move up to second place as qualifying concluded with 5,242. He shot 1,319 in Thursday’s final round.

Norm Duke put up one of the best scores of the day in the fourth round with 1,393 as he jumped into third place with 5,241. On Friday, Duke will try to extend his string of making every stepladder finals at PBA50 events in which he has competed, a mark that currently sits at four.