Oct. 12—GRAND FORKS — There was a sense of unpredictability this North Dakota boys tennis season. Third sets were replaced by 10-point super tiebreakers. For underdogs, it was an enticing proposition: You can win a match without having to win two full sets. For the state’s biggest favorite, it didn’t matter. Still, nobody could knock him off. Grand Forks Central’s Cole Wilber ran through the …