Pierce O’Leary vs 
WinnerMark Chamberlain
Pierce O’Leary
WinnerMark Chamberlain
TKO 10Mark Chamberlain won by technical knockout in round 10
Tale of the tape
| O’Leary | Chamberlain | |
|---|---|---|
| – | Record | 18-1-1 (13 KOs) |
| – | Age | 27 |
| – | Stance | Southpaw |
| – | Height | 5' 9" |
| – | Reach | 70" |
How fans scored it
84 O’Leary
-84 Chamberlain
From 35 fan scorecards, 9 of 12 rounds agreed
| Round | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O’Leary | 9 (0% of fans) | 8 (0% of fans) | 8 (0% of fans) | 10 (96% of fans) | 10 (87% of fans) | 9 (9% of fans) | 10 (100% of fans) | 10 (86% of fans) | 10 (90% of fans) | – | – | – | 84 |
| Chamberlain | 10 (100% of fans) | 10 (100% of fans) | 10 (100% of fans) | 9 (4% of fans) | 9 (13% of fans) | 10 (91% of fans) | 8 (0% of fans) | 9 (14% of fans) | 9 (5% of fans) | – | – | – | 84 |
Fight details
- Date
- Saturday 1 August 2026
- Venue
- 3Arena
- Location
- Dublin, Ireland
- Weight class
- Super Lightweight
- Scheduled
- 12 rounds
- Result
- Mark Chamberlain won by technical knockout in round 10
- Promotion
- Broadcast
Summary
Mark Chamberlain beat Pierce O’Leary by technical knockout in round 10 in a super lightweight fight on Saturday 1 August 2026 at 3Arena in Dublin, Ireland. 35 Fight Scores fans scored the fight, and their average card had a 84-84 draw.