1-1
Pro W–L
Tiarnan O'Reilly is mixed martial artist with a professional record of 1-1 across 2 bouts. They've won 0 by KO/TKO, 1 by submission and 0 by decision — a 100 % finish rate. Last competed December 2025 (active). Has fought most often in Ireland (2 bouts).
Finish rate
100 %
Wins by
0 KO · 1 SUB · 0 DEC
Usually wins by
submission
Usually loses by
KO/TKO
Fastest win
5:00 (Rd 2)
vs Oisin Moloney
Fastest loss
10:00 (Rd 3)
vs Rian O'Flaherty
Most fights in
Ireland 2
Last fought
Dec 2025 · Active
Frequently asked
What is Tiarnan O'Reilly's MMA record?
Tiarnan O'Reilly has a professional MMA record of 1-1 — 0 wins by KO/TKO, 1 by submission, 0 by decision.
How does Tiarnan O'Reilly usually win?
They most often win by submission (1 of 1 wins).
How does Tiarnan O'Reilly usually lose?
Most of Tiarnan O'Reilly's losses come by KO/TKO (1 of 1).
Is Tiarnan O'Reilly still active?
Tiarnan O'Reilly last competed in December 2025, and is considered active (no bout in over two years).
What is Tiarnan O'Reilly's fastest finish?
submission of Oisin Moloney in 5:00 (Rd 2) at EFC 5 - Elite Fighting Championship 5: The Purge.
Pro MMA (2)
L
2025-12-06
EFC 6 - Elite Fighting Championship 6: Winter Soldiers
· Elite Fighting Championship (Cork, Ireland)
R3 0:00
W
2025-10-11
EFC 5 - Elite Fighting Championship 5: The Purge
· Elite Fighting Championship (Cork, Ireland)
R2 0:00