dˈʊɹɹɪŋ ðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti z ænd nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi z, ɹˈɛd bˈɔɪz kəmpˈiːɾɪd wɪð spˈoːɹə lˈʌksəmbˌɜːɡ fɔːɹ dˈɑːmɪnəns ʌv lˈʌksɪmbˌɜːdʒɪʃ fˈʊtbɔːl.
During the 1920s and 1930s, Red Boys competed with Spora Luxembourg for dominance of Luxembourgish football.