Conditioning Accessory 'COREFORCE' Signs Sponsorship Agreement with Professional Tennis Player Toshihide Matsui
Yuki Co., Ltd. has signed a sponsorship agreement with professional tennis player Toshihide Matsui for its conditioning accessory, 'COREFORCE'. Matsui has highly evaluated the product's effectiveness in improving his core balance.
📋 Article Processing Timeline
- 📰 Published: May 25, 2026 at 18:00
- 🔍 Collected: May 25, 2026 at 09:31
- 🤖 AI Analyzed: May 25, 2026 at 09:39 (7 min after Collected)
## Professional Tennis Player Toshihide Matsui
■ Comments from Toshihide Matsui
'The biggest change is that my core feels stable. I can keep my center of gravity low, which has improved my first step. I want to keep wearing it even after I retire.'
■ Profile
Born in 1978 in Chiba Prefecture, Matsui is a living legend in the Japanese tennis world who continues to compete globally at age 48. He has a unique background, moving to Canada alone at 16, attending college in Hawaii, and then turning professional. He is a right-handed player known for an aggressive one-handed backhand style.
While he was active in singles, he is especially known as a doubles specialist and has won six All Japan Championships.
In May 2024, at age 46, he achieved a career-high world ranking of 121st in doubles. His ability to keep evolving as he ages has earned him great respect from younger players and fans.
This year, overcoming a right elbow injury from 2025, he has returned with the theme 'One More Roar.' Armed with vitality and strategy, he continues to challenge himself as an active ATP ranker, focusing on doubles at Challenger and ITF tournaments worldwide.
~ Conditioning Accessory: COREFORCE ~
A trending item also used by golf legend Tsuneyuki Nakajima and major-winning pro Ayaka Furue. COREFORCE is a conditioning accessory designed to support core balance and range of motion.
Product worn by Toshihide Matsui: Coreforce Neck Pro Terra CFN50
The top-tier 'Neck Pro' model of COREFORCE. It combines the luster of ceramic with the sparkle of terra ore, elegantly adorning the chest. This is a necklace model made of highly durable black ceramic.
■ Comments from Toshihide Matsui
'The biggest change is that my core feels stable. I can keep my center of gravity low, which has improved my first step. I want to keep wearing it even after I retire.'
■ Profile
Born in 1978 in Chiba Prefecture, Matsui is a living legend in the Japanese tennis world who continues to compete globally at age 48. He has a unique background, moving to Canada alone at 16, attending college in Hawaii, and then turning professional. He is a right-handed player known for an aggressive one-handed backhand style.
While he was active in singles, he is especially known as a doubles specialist and has won six All Japan Championships.
In May 2024, at age 46, he achieved a career-high world ranking of 121st in doubles. His ability to keep evolving as he ages has earned him great respect from younger players and fans.
This year, overcoming a right elbow injury from 2025, he has returned with the theme 'One More Roar.' Armed with vitality and strategy, he continues to challenge himself as an active ATP ranker, focusing on doubles at Challenger and ITF tournaments worldwide.
~ Conditioning Accessory: COREFORCE ~
A trending item also used by golf legend Tsuneyuki Nakajima and major-winning pro Ayaka Furue. COREFORCE is a conditioning accessory designed to support core balance and range of motion.
Product worn by Toshihide Matsui: Coreforce Neck Pro Terra CFN50
The top-tier 'Neck Pro' model of COREFORCE. It combines the luster of ceramic with the sparkle of terra ore, elegantly adorning the chest. This is a necklace model made of highly durable black ceramic.
FAQ
COREFORCE（コアフォース）とはどのような製品ですか？
コンディショニングアクセサリーであり、体幹バランスや可動域をサポートする製品です。
松井俊英選手が契約したブランドはどこですか？
株式会社ゆうきが展開する「COREFORCE（コアフォース）」です。
松井俊英選手はどのようなテニススタイルですか？
右利き、片手バックハンドの攻撃的なスタイルで、特にダブルスの名手として知られています。
松井選手が愛用しているCOREFORCEのモデルは何ですか？
最上位モデルである「コアフォースネックプロ テラCFN50」を愛用しています。
株式会社ゆうきの代表取締役は誰ですか？
小田 耕二氏です。