Doan has signed a contract with Eintracht Frankfurt until 2030, joining from SC Freiburg,
his new club announced. "Ritsu has demonstrated his great talent in the Bundesliga in recent years and brings with him skills that will help us achieve our goals. As a Japanese international, he has extensive international experience and has impressed Freiburg with his technique, speed, and mental strength in recent years. We are delighted to have Ritsu join us," said SGE Sporting Director Markus Krosche.