Pacific-Asia Curling Championships
Matsumura represented Japan in the 2018 Pacific-Asia Curling Championships in South Korea, which his team would end up winning, defeating China's Zou Qiang in the final. Later in the season he went on to win the 2019 Janapense Men's Championship and represented Japan at the 2019 World Men's Curling Championship as the team's skip. There, he led his team to a fourth place finish, after losing the bronze medal game to Switzerland.