“Jacob Hayashi scored a hat trick in each half to finish with six goals as the boys lacrosse team defeated Lakeside 15-8 on Friday to finish the regular season with a 15-0 record.The team begins the pursuit of its eighth straight state championship with a home game at 6 p.m. tonight against Eastside. A win puts Bainbridge into Saturday night’s title game at Mercer Island Stadium against Lakeside or Mercer Island.Of the Lakeside game, coach Ryan Painter said that I expected us to win, but not by this margin. Our depth really helps us in games like this, because Lakeside isn’t nearly as deep.Hayashi opened the scoring at 8:32 of the first quarter, Erik Steinecker scored at 5:55 as he swatted in a loose ball in front of the goal, and Jesse Savage delivered a backhand shot from behind his head at 00:29 to give Bainbridge a 3-0 first-quarter lead .In something of a rarity, Lakeside outshot Bainbridge 9-6, but goalkeeper Charlie Delius had five saves, his single-quarter high for the season.Early in the second quarter, defender Peter Bonoff demonstrated that this was to be Bainbridge’s night. Frustrated after several fruitless attempts to scoop up a loose ball on the run with his stick, Bonoff kicked the ball some 30 yards downfield, and moments later Hayashi rebounded a missed shot and put it in.A minute later, Ross Maloney fed Adam Smith for the fifth Bainbridge goal, and Hayashi picked up his first three-spot at 5:21 as he curled around the right side of the goal and slammed home a shot. Lakeside finally got on the board at 3:54, but 18 seconds later Hayashi fed Ross Maloney to restore the six-goal lead and the half ended 7-1. Four times during that span Lakeside had a man advantage and failed to score on any of them. The Lions scored twice within a 45-second span after the break to reduce the Bainbridge lead to 7-3 at 8:56.But Jesse Fairbank rifled in a shot from 12 yards out at 6:45, a minute later Bonoff picked up a loose ball – this time with his stick – and passed to Smith for a jump shot over the goalkeeper, and at 4:52 Maloney fed Smith who fed Hayashi standing almost casually in front of the goal for a 10-3 lead. Lakeside scored with just under a minute to play in the quarter to make the score 10-4.The Lions scored quickly to open the fourth quarter, but again Bainbridge retaliated within moments as Fairbank fed Hayashi for a 15-yard bouncer. The teams traded goals after that, with John McNulty, Fairbank, Hayashi – to complete his second hat-trick – and Savage, taking a pass across the front of the goal from Fairbank, tallying for Bainbridge.We’ve proved we’re the best team in the league, Painter said. We motivate ourselves by our confidence. “