ONE Championship will crown its first men’s strawweight champion at ONE 28: Warrior’s Quest, as Roy Doliguez faces Dejdmrong Sor Amnuaysirichoke, the promotion announced recently.

Set for May 22 from the Singapore Indoor Stadium in Singapore, the card features a main event between lightweight champion Shinya Aoki and Koji Ando.

Doliguez has gone 6-1 in his career, while Sor Amnuaysirichoke sports a 4-0 record. Doliguez will be making his ONE debut after a standout career in boxing.

Sor Amnuaysirichoke has made all four of his MMA appearances inside the ONE cage.

Below is the current lineup:

ONE Lightweight Championship
Shinya Aoki (c) vs. Koji Ando

Inaugural ONE Strawweight Championship
Roy Doliguez vs. Dejdamrong Sor Amnuaysirichoke

Kuat Khamitov vs. Lowen Tynanes

Rob Lisita vs. Timofey Nastyukhin

Marat Gafurov vs. Ev Ting

Eddie Ng vs. Rafael Nunes

Benedict Ang vs. Waqar Umar

Angela Lee vs. Aya Saeid Saber