Minggu, 20 Agustus 2023
19.00 WIB: Alter Ego vs Onic Esports
Jumat, 8 September 2023
20.00 WIB: Onic Esports vs Dewa United
Sabtu, 9 September 2023
20.00 WIB: Onic Esports vs RRQ Hoshi
Jumat, 15 September 2023
20.00 WIB: Onic Esports vs Aura Fire
Minggu, 17 September 2023
16.30 WIB: Rebellion Zion vs Onic Esports
Jumat, 22 September 2023
20.00 WIB: Onic Esports vs Bigetron Alpha
Sabtu, 23 September 2023
20.00 WIB: Evos Legends vs Onic Esports
Seluruh pertandingan Onic Esports pada reguler season MPL ID S12 berlangsung di MPL Arena, XO Hall, Jl. Tanjung Duren Barat III No.1, RT.9/RW.5, Tj. Duren Utara, Kec. Grogol petamburan, Kota Jakarta Barat, DKI Jakarta.***