Koshigaya Alphas secured an impressive 83-67 road win over Yamagata Wyverns in B2 League action at Yamagata City General Gymnasium on October 24, 2026. The Alphas used a decisive third-quarter run to break open a close game and coast to victory.
Match Overview
The first half was a back-and-forth affair, with neither team able to build a significant lead. Yamagata’s home crowd energized the Wyverns early, and they led 18-16 after the first quarter. Koshigaya responded with a balanced second-quarter attack, getting contributions from their bench to take a 36-34 halftime lead. The third quarter proved to be the difference: Koshigaya opened with a 13-2 run over the first four minutes, capitalizing on three Yamagata turnovers. The Alphas extended their lead to 16 by the end of the period and maintained a comfortable margin throughout the fourth.
Key Moments
The turning point came midway through the third quarter when Koshigaya’s guard Tsubasa Endo stole the ball at midcourt and fed teammate Hiroshi Sato for a fast-break layup. On the next possession, Endo hit a step-back three-pointer, pushing the lead to 52-38. Yamagata called timeout, but the momentum had shifted permanently. The Wyverns managed to cut the deficit to 11 early in the fourth, but Koshigaya answered with a 7-0 run to put the game away.
Tactical Story
Koshigaya’s defense was swarming, forcing 17 turnovers and holding Yamagata to 38% shooting from the field. The Alphas also dominated the fast-break battle, outscoring the Wyverns 21-6 in transition. Offensively, Koshigaya moved the ball beautifully, recording 22 assists on 30 made field goals. Yamagata, by contrast, relied too heavily on isolation plays and struggled to generate open looks against Koshigaya’s switching defense.
Standout Performers
- Tsubasa Endo (Koshigaya): 21 points, 7 assists, 3 steals, and complete control of the tempo.
- Hiroshi Sato (Koshigaya): 16 points and 9 rebounds, providing a strong inside presence.
- Yamagata’s Ryota Kimura: 18 points and 6 rebounds, but he committed 5 turnovers under pressure.
Season Impact
The victory keeps Koshigaya in the thick of the playoff race and demonstrates their ability to win on the road against tough opponents. For Yamagata, the loss highlights their struggles against teams with aggressive, turnover-forcing defenses. The Wyverns will need to improve their ball handling and half-court execution to avoid falling further behind in the standings. Koshigaya, meanwhile, looks increasingly like a dark horse contender in the B2 League.

