| ONE Fight Night 31: Kongthoranee vs. Nong-O 2 | ||||
|---|---|---|---|---|
 The poster for ONE Fight Night 31: Kongthoranee vs. Nong-O 2 | ||||
| Promotion | ONE Championship | |||
| Date | May 3, 2025 (2025-05-03) | |||
| Venue | Lumpinee Boxing Stadium | |||
| City | Bangkok, Thailand | |||
| Event chronology | ||||
| ||||
ONE Fight Night 31: Kongthoranee vs. Nong-O 2 was acombat sports event produced byONE Championship that took place on May 3, 2025, atLumpinee Boxing Stadium inBangkok, Thailand.[1][2]
A flyweight Muay Thai rematch betweenKongthoranee Sor.Sommai and formerONE Bantamweight Muay Thai World ChampionNong-O Hama headlined the event.[3] The pairing previously to met atONE Fight Night 28 in February 2025, which Kongthoranee won by split decision.[4]
AONE Welterweight Submission Grappling World Championship bout between current championTye Ruotolo andDante Leon served as the co-main event. The pairing met for the first time inLiverpool, England in 2020, where Leon won by decision. Their second meeting took place at FloGrapping promotion in 2021, which Ruotolo won by guillotine choke.[5]
A lightweight Muay Thai bout betweenLiam Nolan and Nauzet Trujillo was scheduled for this event.[6] However, Trujillo withdrew from the event due to injury and was replaced by promotional newcomer Abolfazl Alipourandi on a one-day notice.[7]
At the weigh-ins, three fighters failed to hydration test and missed weight for their respective fights:[8]
| Fight card (Amazon Prime Video) | |||||||
|---|---|---|---|---|---|---|---|
| Weight class | Method | Round | Time | Notes | |||
| Flyweight Muay Thai | Nong-O Hama | def. | Kongthoranee Sor.Sommai | Decision (unanimous) | 3 | 3:00 | |
| Welterweight Submission Grappling | Tye Ruotolo (c) | def. | Dante Leon | Decision (unanimous) | 1 | 10:00 | [a] |
| Lightweight Muay Thai | Abolfazl Alipourandi | def. | Liam Nolan | KO (head kick) | 1 | 0:59 | |
| Lightweight | Lucas Gabriel | def. | Zhang Lipeng | Decision (unanimous) | 3 | 5:00 | [b] |
| Bantamweight Muay Thai | Abdulla Dayakaev | def. | Saemapetch Fairtex | TKO (knee and punches) | 2 | 1:44 | |
| Flyweight Muay Thai | Akif Guluzada | def. | Sean Climaco | Decision (unanimous) | 3 | 3:00 | |
| Flyweight Muay Thai | Jhordan Estupiñan | def. | Ali Saldoev | Decision (unanimous) | 3 | 3:00 | [c] |
The following fighters received $50,000 bonuses:
