vˈɪlɐɹˌoʊlz ˌɪntɚnˈæʃənəl deɪbjˈuː kˈeɪm ɪn ɐ mˈætʃ ɐɡˈɛnst vˌɛnɪzwˈeɪlə, wˌɪtʃ tʃˈɪli wˈʌn sˈɪks zˈiəɹoʊ ˌɔn ˈeɪpɹəl twˈɛnti nˈaɪn, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən.
Villarroel's international debut came in a match against Venezuela, which Chile won 6–0 on April 29, 1997.