WaveRivalry
4th meeting, series 3–0
3 recorded meetings with Justin Chapman.
Lucas Helmke is a White belt Brazilian jiu-jitsu competitor from LCS GYM, with a recorded Australian record of 5–1.
Fought 6 recorded matches as White since June 2025
White, 6 recorded matches at this beltRivalry
4th meeting, series 3–0
3 recorded meetings with Justin Chapman.
Wins
5
Win rate
83%
Losses
1
Gi
100%
2–0 · 2 matches
No-Gi
75%
3–1 · 4 matches
By belt
Submission |
| Joao Muniz Costa | 21 June 2025QJJC - QLD State Championship 2025 | Submission |
| Justin Chapman | 21 June 2025QJJC - QLD State Championship 2025 | no-show |
| Takara Van Wyk | 1 June 2025Sunshine Coast Championship 2025 | Points |
| Harry Thomas | 1 June 2025Sunshine Coast Championship 2025 | no-show |
6 rows