Mitsubishi Heavy Industries (Thailand) Ltd.
On July 31, 2025, a press conference was held for the Mitsubishi Heavy Industries Diamond Cup U-14 Thailand 2025, a special football tournament for players under the age of 14. This tournament is a collaboration between Mitsubishi Heavy Industries Ltd., the main sponsor of Urawa Red Diamonds, and their partner club Muangthong United Football Club.
This year marks the 4th consecutive year of the tournament since its inception in 2022, with 4 teams participating in competition. In the first tournament, the champion was Urawa Red Diamonds. In 2023 and 2024, the tournament featured 6 teams, and the champion of both tournaments was Assumption Thonburi.
The press conference was graced by the presence of:
- Mr. Ryousuke Kai, President and Managing Director of Mitsubishi Heavy Industries (Thailand) Ltd. (Center),
- Mr. Tomoya Ugajin, Team Operations Manager of Urawa Red Diamonds (Right), and
- Mr. Ronnarit Suewaja, Executive Director of Muangthong United Football Club (Left),

Members of the media were also present to witness the announcement and show support for this international youth football initiative.

The competition was held from July 27 to August 3, 2025. Eight teams from 4 countries participating in the Mitsubishi Heavy Industries Diamond Cup U-14 Thailand 2025 were:
Assumption Thonburi (Thailand)
- Champion
Sydney FC (Australia)
- 2nd Runner
Suankularb Wittayalai School (Thailand)
- 3rd Runner
Urawa Red Diamonds (Japan)
Muangthong United FC (Thailand)
Surasakmontri School (Thailand)
Bangkok Sports School (Thailand)
Lion City Sailors (Singapore)




In addition, two players were awarded for their outstanding performance. Both players will be sponsored by Mitsubishi Heavy Industries, Ltd. and Uruwa Red Diamonds to get training at Uruwa Red Diamonds Academy and to watch J-league football matches in Japan for 2 weeks.
- Most Valuable Football Player - Mr. Puvirat Buajaroen from Assumption Thonburi
- Carat in The Rough Award - Mr. Nakarin Devilor from Muangthong United FC

