Fighter dossier
GI
Official MMA record
Guilherme Isaac
Amateur record
1-1-0
- Division
- Welterweight
- Weight
- 155 lb
- Gender
- Male
Profile summary
Guilherme Isaac is an MMA fighter with an amateur record of 1-1-0.
Career file
Amateur career statistics
1-1-0
Total fights
2
Rounds fought
0.6
Current streak
1 L
Finish rate
100%
Win methods
Loss methods
Career length
2y 1m 14d
Fights per year
1
Longest layoff
2y 1m 14d
Quickest turnaround
2y 1m 14d
Quick hits
Fastest win
01:42
Fastest KO
01:42
Fastest submission
00:00
Finished rate
100%
Avg. fight length · wins
01:42
Avg. fight length · losses
00:00
Avg. rounds · wins
0.6
Avg. rounds · losses
0
Official record
Amateur fight record
| Date | Result | Opponent | Division | Method / event | Round / time |
|---|---|---|---|---|---|
| Jul 11, 2026 | L | Guilherme Mariz | Welterweight | Submission · Rear Naked Choke Acesse Fight Series 1 | R1/03:00 |
| May 26, 2024 | W | Lucas Cardoso | Catchweight | TKO/RSC · Referee Stoppage from Punches Thunder Fight: Copa Thunder Fight 29 | R1/01:42 |