"Daiki is quick, strong in the air and an aggressive defender. He can operate primarily at right-back or as a right-sided centre-back," said Gladbach sporting director Rouven Schröder. "He also brings plenty of experience, and we're confident he'll quickly prove an asset to the team."

"When my agent told me Borussia were interested, I was delighted," said Hashioka, who will wear the No.14 shirt. "I knew straight away that I wanted to move here, and I'm really looking forward to the challenge of playing in the Bundesliga."

Hashioka is the third Japanese player in the current Gladbach ranks, alongside striker Shuto Machino and fellow summer signing Zento Uno. He could make his Bundesliga debut when the Foals visit RB Leipzig on August 29.

Meanwhile, Korea Republic’s Lee signed for second division German side SV Darmstadt 98 after six seasons with FC Pohang Steelers, for whom he scored 53 goals in all competitions.

Japan’s Sai van Wemeskerken will feature in the new Thai League 1 season after signing for Ratchaburi FC while Issei Takahashi moved within the J League 1, going from JEF United Chiba to reigning champions Vissel Kobe.

There were also confirmed transfers for an Islamic Republic of Iran pair - 19-year-old Kasra Taheri joined FC Nasaji in the Iran Pro League from Russian side Rubin Kazan while Mohammadmehdi Mohebi signed with Persepolis FC.

Other deals saw Iraq’s Ibrahim Bayesh moving back home to link up with Erbil SC after spending a season with Al Dhafra FC in the United Arab Emirates while Australian custodian Joe Gauci will play in the English Championship with Lincoln City after leaving Aston Villa.