Koshigaya Alphas Stun SeaHorses Mikawa with 98-75 Blowout Victory
The Koshigaya Alphas delivered a stunning performance on May 3, 2026, dismantling the SeaHorses Mikawa 98-75 on the road in one of the most lopsided results of the B1 League season. The Alphas’ relentless offense and stifling defense left the home crowd stunned, as Koshigaya secured a crucial win that reshapes the Western Conference standings.
Match Overview
Koshigaya came out firing from the opening whistle, jumping to a 28-12 lead after the first quarter. The Alphas’ perimeter shooting was red-hot, connecting on 8-of-12 three-point attempts in the half, forcing Mikawa into a deep deficit. By the third quarter, the lead had ballooned to 28 points, and the SeaHorses never managed to mount a serious comeback. The 98-point outburst marked season-high scoring for Koshigaya against a division rival.
Standout Players
- Koshigaya’s backcourt duo combined for 52 points and 14 assists, with their point guard orchestrating the offense flawlessly and recording a double-double of 22 points and 11 assists.
- The Alphas’ bench contributed 34 points, providing a spark that Mikawa’s reserves could not match. Koshigaya’s depth proved decisive as they outscored the SeaHorses’ bench by 18 points.
- For Mikawa, their leading scorer managed 18 points, but the team shot just 39% from the field and committed 16 turnovers, unable to keep pace with the Alphas’ tempo.
Tactical Breakdown
Koshigaya’s game plan centered on spreading the floor and attacking Mikawa’s weak side defense. Their motion offense created open looks consistently, and they converted at a 52% clip overall. Defensively, the Alphas packed the paint and forced the SeaHorses into difficult mid-range jumpers, limiting second-chance opportunities. Mikawa’s inability to defend the three-point line—Koshigaya made 16-of-35 from deep—was the primary factor in their downfall. The Alphas also controlled the boards 40-28, denying Mikawa’s usual rebounding advantage.
Season and Playoff Implications
The victory pushes Koshigaya to 16-14 on the season, keeping them firmly in the Western Conference playoff race. For the SeaHorses, the defeat drops them to 17-13, squandering a chance to gain ground on the division leaders. The result also marks a significant confidence boost for the Alphas, who had lost two consecutive games prior to this emphatic win. With the B1 League regular season entering its critical final weeks, both teams will reflect on this game as a potential turning point—Koshigaya as a statement of their ceiling, and Mikawa as a wake-up call to tighten their defense.

