stˈɔɪlʌv ˈɜːnd hɪz fˈɜːst kˈæp fɔːɹ bʌlɡˈɛɹiə ˌɔn twˈɛnti fˈaɪv mˈɑːɹtʃ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti ˈeɪt, ɪnðə zˈiəɹoʊ:wˈʌn ɐwˈeɪ lˈɔs ɐɡˈɛnst mˌæsɪdˈoʊniə ɪn ɐ fɹˈɛndli mˈætʃ, sˈʌbstɪtˌuːɾɪŋ kɹˈæsɪmˌɪɹ bˈælɐkˌɑːv ɪnðə sˈɛvənti θˈɜːd mˈɪnɪt.
Stoilov earned his first cap for Bulgaria on 25 March 1998, in the 0:1 away loss against Macedonia in a friendly match, substituting Krasimir Balakov in the 73rd minute.