Tokoha University He started his youth career with Tokoha University.
Albriex Niigata (S) On 17 January 2021, Yamashita moved to Singapore to joined
Albirex Niigata (S). On 7 April 2021, he scored his first goal for the club against
Lion City Sailors in a 2–2 draw. Yamashita ended the season being included in the
2021 Singapore Premier League 'Team of the Year'.
Tampines Rovers After a year in Singapore, Yamashita signed for local club,
Tampines Rovers on 4 January 2022 On 20 April 2022, he scored his first goal for the club against
Young Lions. Yamashita extends his contract for another season at the end of 2022. He is known for his on-field communication and demanding nature, and is often seen shouting instructions and holding his fellow defenders accountable. This straightforward approach, particularly with his defensive partner thruout his career with the Stags, has been noted as a sign of his commitment to winning. As at Aug-2025, he is in his 4th season with the Stags, and 5th in Singapore football, thus making him eligible for naturalization for Singapore. He won his 1st title in Singapore football when Tampines Rovers beats Lion City Sailors in the 2025-26 Community Shield. ==Career statistics==