Kai Matsuzaki is a standout creative force for Shimizu S-Pulse, known for his ability to dismantle defensive lines with his technical skill and unique physical philosophy. After developing his game in some of Japan’s most competitive environments, Matsuzaki has emerged as a breaker—a player specifically tasked with changing the course of a match through individual brilliance. His journey from being an undersized youth prospect to an AFC Champions League winner highlights a player who relies on intelligence and discipline rather than raw size. Now a vital part of Shimizu’s top-flight ambitions, Matsuzaki combines a refined left foot with a modern approach to fitness to remain one of the most dangerous attacking threats in the J.League.
At a Glance
- Full Name: Kai Matsuzaki
- Place of Birth: Kawagoe, Saitama, Japan
- Position: Right Midfielder / Winger / Attacking Midfielder
- Current Club: Shimizu S-Pulse
- National Team: Japan (U-16 National Team Selection)
The Story So Far
Kai Matsuzaki’s path to professional football is a story of overcoming physical odds through sheer technical dedication. Growing up in Saitama, he joined the prestigious Omiya Ardija academy, but his progress was nearly stalled by a major growth delay. In junior high school, Matsuzaki stood at less than 140 cm tall, while many of his teammates were 30 cm taller. This disadvantage forced him to master ball control and movement patterns that did not rely on strength. By the time he reached the U-18 level, his talent was undeniable, earning him the Most Impressive Player (MIP) award at the 2015 Japan Club Youth Football Championship.
Instead of jumping straight into the pros, Matsuzaki spent four years at Toyo University, using the collegiate system to refine his physical game. He made his professional debut with Mito Hollyhock in 2020, where a breakout eight-goal season in 2021 earned him a high-profile move to the J1 League giants, Urawa Red Diamonds. While his time at Urawa was challenging, he was part of the squad that won the Japanese Super Cup and the AFC Champions League in 2022, giving him a taste of elite continental success.
Seeking more consistent playing time, Matsuzaki spent a brief loan spell at Vegalta Sendai before finding his true home at Shimizu S-Pulse. Since joining Shimizu, he has undergone a personal transformation. Frustrated by his performance at Urawa, he adopted a new discipline called Bukaku Rokyu, which mixes martial arts and basketball movements to improve his body alignment and breathing. This dedication paid off in 2024 as he helped Shimizu win the J2 League title, and it has carried into a highly productive 2025 season in the top division.
Style of Play & Tactical Analysis
Matsuzaki is a specialized breaker who excels at opening up tight matches. Operating primarily from the right flank, he is a left-footed creator who thrives on unpredictability. He uses what he calls “variable dribbling”, a style where he constantly changes his pace to keep defenders guessing. Because he is equally comfortable driving toward the touchline or cutting inside to his stronger left foot, defenders find it nearly impossible to commit to a single defensive stance.
In the current Shimizu S-Pulse system, Matsuzaki has evolved into a shadow attacking midfielder. Rather than just staying wide, he drifts into central pockets of space to link up with veteran teammates and create scoring opportunities. His spatial awareness allows him to deliver dangerous diagonal crosses or low passes into the half-space, making him a primary engine for his team’s offense. His high ratings for creating chances and successful dribbles reflect a player who is always looking to facilitate the final shot.
Beyond his technical skills, Matsuzaki is a deeply disciplined professional. He manages his match-day stress through specific musical rituals—listening to jazz to stay calm before switching to high-energy rock during warm-ups—and maintains a strict organic diet to ensure he is in peak physical condition. This thinking approach to the game allows him to maintain his effectiveness even against faster or stronger opponents.
Future Outlook
The 2025 season has been a turning point for Matsuzaki, proving that he is a high-level J1 League talent. By nearly doubling his playing minutes from the previous year, he has shown that his new physical training methods are working. His immediate goal is to reach a combined 20 goals and assists, a target that would firmly place him among the elite attackers in the league. With his contract approaching its end, his current form makes him a prime candidate for a major extension or interest from other top clubs. As he continues to refine his unique style, Matsuzaki is well on his way to achieving his dream of a J1 Best XI selection.
The Trophy Case (Honours)
| Milestone / Honor | Organization / Competition | Year |
| U-16 Japan National Team Selection | Montaigu International Tournament (France) | 2013 |
| MIP (Most Impressive Player) | 39th Japan Club Youth Football Championship (U-18) | 2015 |
| Runner-up | 39th Japan Club Youth Football Championship (U-18) | 2015 |
| Japanese Super Cup Winner | Urawa Red Diamonds | 2022 |
| AFC Champions League Winner | Urawa Red Diamonds | 2022 |
| J2 League Champion | Shimizu S-Pulse | 2024 |
The Record (Career Statistics)
| Season | Club | League | Apps | Goals | Assists |
| 2020 | Mito Hollyhock | J2 | 33 | 1 | 4 |
| 2021 | Mito Hollyhock | J2 | 41 | 8 | 2 |
| 2022 | Urawa Red Diamonds | J1 | 11 | 1 | 1 |
| 2023 | Urawa Red Diamonds | J1 | 3 | 0 | 0 |
| 2023 | Vegalta Sendai (Loan) | J2 | 11 | 0 | 1 |
| 2024 | Shimizu S-Pulse | J2 | 25 | 2 | 3 |
| 2025 | Shimizu S-Pulse | J1 | 33 | 4 | 5 |
