ONE Fight Night 30

A ONE Heavyweight Muay Thai World Championship bout between current champion (also current ONE Light Heavyweight Kickboxing World champion) Roman Kryklia and promotional newcomer Lyndon Knowles headlined the event.{{Cite web |date=2025-03-11 |title=Roman Kryklia to Defend ONE Muay Thai Title Against Lyndon Knowles on Apr. 4

|url=https://combatpress.com/2025/03/roman-kryklia-to-defend-one-muay-thai-title-against-lyndon-knowles-on-apr-4/ |access-date=2025-03-12 |website=Combat Press |language=en-US}}

A ONE Lightweight Kickboxing World Championship trilogy between then champion (also a current ONE Lightweight Muay Thai World champion) Regian Eersel and former champion Alexis Nicolas served as the co-main event.{{Cite web |last=Pico |first=Borna |date=2025-03-11 |title=Trilogy Title Bout Between Regian Eersel and Alexis Nicolas Set for ONE Fight Night 30 on April 4

|url=https://beyondkick.com/news/trilogy-title-bout-between-regian-eersel-and-alexis-nicolas-set-for-one-fight-night-30-on-april-4/ |access-date=2025-03-12 |website=Beyond Kickboxing |language=en}} The pairing previously to met at ONE Fight Night 21 in April 2024, which Nicolas captured the title by unanimous decision.{{cite web |last1=LIDF |first1=Jerome |title=Alexis Nicolas champion of the One Championship! (replay) |url=https://lesinfosdufight.press/alexis-nicolas-champion-du-one-championship-replay/ |website=Les Infos Du Fight |access-date=6 April 2024 |date=7 January 2024}} The second time met at ONE Fight Night 25 in October 2024, which Eersel capture back the title by unanimous decision.{{Cite web |last=Joseph |first=Mike |date=2024-10-05 |title=ONE Fight Night 25 Results: Regian Eersel Gets Revenge Over Alexis Nicolas; John Lineker Stops Alexey Balyko

|url=https://www.mykhel.com/more-sports/one-fight-night-25-results-regian-eersel-outworks-alexis-nicolas-john-lineker-stops-alexey-balyko-312335.html |access-date=2024-10-06 |website=myKhel.com |language=en-US}} At the weigh-ins, Eersel failed the hydration test and came in at 170.5 pounds, 0.5 pounds over the lightweight limit. As a results, Eersel was stripped of the title and Nicolas was eligible to win it.{{Cite web |date=2025-04-03 |title=The Scale Strikes Again: Yet Another ONE Championship Fighter Loses Their Title During Weigh-Ins

|url=https://www.lowkickmma.com/one-championship-fighter-loses-title-scale/ |access-date=2025-04-04 |website=www.lowkickmma.com |language=en-US}}{{Cite web |date=2025-04-03 |title=ONE Fight Night 30: Kryklia vs. Knowles Weigh-In Results and Video

|url=https://combatpress.com/2025/04/one-fight-night-30-kryklia-vs-knowles-weigh-in-results-and-video/ |access-date=2025-04-04 |website=Combat Press |language=en-US}}

At the weigh-ins, two fighters failed to hydration test and missed weight for their respective fights:

• Mouhcine Chafi weighed in at 171.5 pounds, 1.5 pounds over the lightweight limit.
• Macarena Aragon weighed in at 116 pounds, 1 pounds over the atomweight limit.

{{MMAevent}}

{{MMAevent card|Fight card (Amazon Prime Video)}}

{{MMAevent bout

|Heavyweight Muay Thai

|Roman Kryklia (c)

|def.

|Lyndon Knowles

|KO (punch)

|1

|2:10

|For the ONE Heavyweight Muay Thai World Championship.

}}

{{MMAevent bout

|Lightweight Kickboxing

|Regian Eersel

|def.

|Alexis Nicolas

|Decision (majority)

|5

|3:00

|For the vacant ONE Lightweight Kickboxing World Championship. Eersel missed weight (170.5 lb) and was stripped of the title, and Nicolas was eligible win the title.

}}

{{MMAevent bout

|Featherweight Muay Thai

|Nico Carrillo

|def.

|Sitthichai Sitsongpeenong

|KO (punch to the body)

|2

|2:20

|

}}

{{MMAevent bout

|Catchweight (142 lbs) Muay Thai

|Asa Ten Pow

|def.

|Saeksan Or. Kwanmuang

|TKO (punch)

|3

|0:37

|

}}

{{MMAevent bout

|Flyweight

|Sanzhar Zakirov

|def.

|Bokang Masunyane

|Decision (unanimous)

|3

|5:00

|

}}

{{MMAevent bout

|Lightweight Muay Thai

|George Jarvis

|def.

|Mouhcine Chafi

|Decision (unanimous)

|3

|3:00

|Chafi missed weight (171.5 lb).

}}

{{MMAevent bout

|Heavyweight

|Paul Elliott

|def.

|Ryugo Takeuchi

|TKO (punches)

|3

|1:00

|

}}

{{MMAevent bout

|Featherweight Submission Grappling

|Fabricio Andrey

|def.

|Ashley Williams

|Decision (unanimous)

|1

|10:00

|

}}

{{MMAevent bout

|Strawweight Muay Thai

|Elmehdi El Jamari

|def.

|Thongpoon P.K.Saenchai

|KO (punches)

|1

|2:56

|

}}

{{MMAevent bout

|Women's Atomweight

|Macarena Aragon

|def.

|Jihin Radzuan

|Decision (unanimous)

|3

|5:00

|Aragon missed weight (116 lb).

}}

{{MMAevent bout

|Bantamweight

|Carlo Bumina-ang

|def.

|Mauro Mastromarini

|KO (punches)

|1

|2:45

|

}}

{{MMAevent end|notes=yes}}

{{Cite web |title=ONE Fight Night 30: Kryklia vs. Knowles

|url=https://www.onefc.com/events/onefightnight30/ |access-date=2025-03-11 |website=ONE Championship – The Home of Martial Arts |language=en-US}}

The following fighters received $50,000 bonuses:

• Performance of the Night: Roman Kryklia and Nico Carrillo

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