Girls on fire
Episode

Pada episode pertama, para peserta harus berhadapan '1 versus 1'. 50 peserta dibagi menjadi 25 grup dan bertanding satu lawan satu dan masing-masing membawakan satu lagu. Setelah dua peserta dalam satu pertandingan selesai tampil, masing-masing dari enam juri memilih peserta untuk maju ke babak berikutnya. peserta dengan suara lebih banyak akan menang dan lolos ke babak selanjutnya. peserta yang kalah menjadi kandidat eliminasi. Jika seri, maka kedua peserta juga menjadi kandidat eliminasi.
Setelah seluruh pertandingan selesai, terdapat 21 pemenang pertandingan dan empat seri sehingga menghasilkan 29 kandidat eliminasi. Para juri memutuskan 11 calon peserta tambahan dan 18 kandidat lainnya tersingkir. Sehingga, sebanyak 32 peserta melaju ke babak kedua.
| Ep> .Ep. | Pertandingan | Urutan | Nama | Lagu | Artis | Pilihan juri | Hasil | Detail suara> Kinky | Detail suara> Eunji | Detail suara> SWJA | Detail suara> Yoon Jong Shin | Detail suara> Gaeko | Detail suara> Young K |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 1 | 1 | Kim Damyoung | "Bad Dream" | Chanju & Dbo | 1 (Kalah) | Pilihan juri | ✔ | – | – | – | – | – |
| 1 | 1 | 2 | Cho Yein | "To. X" | Taeyeon | 5 (Menang) | Lolos | – | ✔ | ✔ | ✔ | ✔ | ✔ |
| 1 | 2 | 3 | Yoon Minseo | "Eleven" | IVE | 0 (Kalah) | Pilihan juri | – | – | – | – | – | – |
| 1 | 2 | 4 | Choi Aim | "Last Train" | HYNN | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 1 | 3 | 5 | RETA | "Spicy Hot" | RETA & San E | 2 (Kalah) | Pilihan juri | – | – | – | ✔ | – | ✔ |
| 1 | 3 | 6 | Janet Suhh | "누워있고싶다" | Janet Suhh | 4 (Menang) | Lolos | ✔ | ✔ | ✔ | – | ✔ | – |
| 1 | 4 | 7 | Lee Sooyoung | "Better" | BoA | 1 (Kalah) | Pilihan juri | – | ✔ | – | – | – | – |
| 1 | 4 | 8 | Kim Yebin | "Better Babe" | Taeyeon | 5 (Menang) | Lolos | ✔ | – | ✔ | ✔ | ✔ | ✔ |
| 1 | 5 | 9 | Lee Arumsoul | "Mamma Knows Best" | Jessie J | 1 (Kalah) | Pilihan juri | – | – | – | ✔ | – | – |
| 1 | 5 | 10 | Lee Nayoung | "Sorry" | Lena Park | 5 (Menang) | Lolos | ✔ | ✔ | ✔ | – | ✔ | ✔ |
| 1 | 6 | 11 | Kim ChaeMenang | "To My Youth" | BOL4 | 0 (Kalah) | Pilihan juri | – | – | – | – | – | – |
| 1 | 6 | 12 | Lee Songhwa | "Monster" | Red Velvet - Irene & Seulgi | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 | 7 | 13 | Jung Yuri | "Fairytale Ending" | Jung Yuri | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 | 7 | 14 | Choi Seongkyung | "Super Moon" | Choi Ye Geun & Il Do | 0 (Kalah) | Eliminasi | – | – | – | – | – | – |
| 2 | 8 | 15 | Kim Hanbyeol | "Kalah Child" | Lena Park | 1 (Kalah) | Pilihan juri | – | – | ✔ | – | – | – |
| 2 | 8 | 16 | Lim Okyeon | "Rhinoceros" | Han Young Ae | 5 (Menang) | Lolos | ✔ | ✔ | – | ✔ | ✔ | ✔ |
| 2 | 9 | 17 | Son Yeongseo | "희망사항" | Byun Jin Sub | 0 (Kalah) | Pilihan juri | – | – | – | – | – | – |
| 2 | 9 | 18 | Hwang Seyoung | "Soledad y el Mar" | Natalia Lafourcade & Los Macorinos | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 | 10 | 19 | Kim Kyuri | "Desert" | Kyuri | 4 (Menang) | Lolos | ✔ | – | ✔ | – | ✔ | ✔ |
| 2 | 10 | 20 | Kang Minseo | "꽃놀이" | Kang Minseo | 2 (Kalah) | Eliminasi | – | ✔ | – | ✔ | – | – |
| 2 | 11 | 21 | Lee Chaemi | "Lion" | (G)I-DLE | 0 (Kalah) | Eliminasi | – | – | – | – | – | – |
| 2 | 11 | 22 | nov | "별 짓 다 해봤는데" | ALi | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 | 12 | 23 | Yang Drea Irae | "Red Lipstick" | Lee Hi & Yoonmirae | 5 (Menang) | Lolos | – | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 | 12 | 24 | Park Sohyoun | "Let Go of All the Trace of Time" | 015B & O.WHEN | 1 (Kalah) | Eliminasi | ✔ | – | – | – | – | – |
| 2 | 13 | 25 | Kang Yunjeong | "Gravity" | Sara Bareilles | 3 (Tie) | Pilihan juri | – | ✔ | ✔ | – | – | ✔ |
| 2 | 13 | 26 | Kim Woojeong | "Pass Away" | Choi Baek Ho & Jung Seung Hwan | 3 (Tie) | Eliminasi | ✔ | – | – | ✔ | ✔ | – |
| 3 | 14 | 27 | Ji Yooeun | "Bad News" | KISS OF LIFE | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 3 | 14 | 28 | Choi Henah | "My Love by My Side" | Kim Hyun Sik | 0 (Kalah) | Eliminasi | – | – | – | – | – | – |
| 3 | 15 | 29 | Yun BoMenang | "Ohio" | Crush | 2 (Kalah) | Eliminasi | – | – | ✔ | – | – | ✔ |
| 3 | 15 | 30 | KMenang Lily | "What Type of X" | Jessi | 4 (Menang) | Lolos | ✔ | ✔ | – | ✔ | ✔ | – |
| 3 | 16 | 31 | Park Seojeong | "그리움만 쌓이네" | Yeo Jin | 4 (Menang) | Lolos | ✔ | – | ✔ | ✔ | – | ✔ |
| 3 | 16 | 32 | Kim Hana | "I'm Different" | Hi Suhyun & Bobby | 2 (Kalah) | Pilihan juri | – | ✔ | – | – | ✔ | – |
| 3 | 17 | 33 | Choi Hyeyeon | "Whenever Wherever" | Jung Seung Hwan | 1 (Kalah) | Eliminasi | – | – | – | – | ✔ | – |
| 3 | 17 | 34 | Sohn Yujin | "Spicy" | aespa | 5 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | – | ✔ |
|  |  | 35 | Kang Sumin | "Flower" | Park Bom & Kim Min Seok | 4–6 (Menang) | Lolos |  |  |  |  |  |  |
|  |  | 36 | Kim Dohee | "Stupid Love" | KMenang Jin Ah | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 37 | Kim Seunghui | "Playboy" | eSNa | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 38 | Shin Yujeong | "Good Bye Sadness, Hello Happiness" | Yoonmirae | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 39 | Shin JooMenang | "Re-Bye" | AKMU | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
|  |  | 40 | Shin Chehyun | "As I Told You" | Kim Sung Jae | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 41 | eSNa | "By Your Side" | eSNa | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 42 | Oh Inyoung | "She Said" | Toy & KMenang Jin Ah | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 43 | Jung Soyeon | "Voyage" | Kim Sejeong | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 44 | Chong Jeena | "Confetti" | Tori Kelly | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
|  |  | 45 | Jeong Jiwoo | "The Night Alone" | Kim Kwang Seok | 3 (Tie) | Pilihan juri | ✔ | ✔ | – | ✔ | – | – |
|  |  | 46 | Cho Soomin | "한잔 더" | Bobby Kim | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
|  |  | 47 | Cho Hyeju | "Ugly" | 2NE1 | 0–3 | Eliminasi |  |  |  |  |  |  |
|  |  | 48 | Choi Eunseo | "Beggin'" | Madcon | 3 (Tie) | Eliminasi | – | – | ✔ | – | ✔ | ✔ |
|  |  | 49 | Khan Amina | "Wish You Were Gay" | Billie Eilish | 6 (Menang) | Lolos | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
|  |  | 50 | Ha Jinseul | "Mr. Ambiguous" | MAMAMOO | 0–3 | Eliminasi |  |  |  |  |  |  |