Charles Robert Ruesch was a Swiss footballer who played as a defender for Athletic Club.
[3] On 22 April 1905, Athletic's Ruesch won the third edition of the Copa Rodríguez Arzuaga with a time of 40.09 seconds, narrowly ahead of Gimnástica's José Nougués (40.10) and Athletic's Jerónimo López (41.01), doing so in front of a thousand spectators.
[3][4] In 1905, Athletic Madrid loaned some of its players to Athletic Bilbao to reinforce the Basque team in the 1905 Copa del Rey, such as Ruesch, Javier Prado, Tomás Murga, and Miguel de Valdeterrazo.
[5] Madrid to join Athletic Bilbao, where he played for the club's football section, starting in the 1905 Copa del Rey final, which ended in a 0–1 loss to Madrid FC.
[6][7] At some point after 1905, Ruesch moved to Rennes, France, where he became the first foreign player in the history of Stade Rennais in 1916.