First Scoring-Event Acquisition Is Associated with Victory in Female Brazilian Jiu-Jitsu: A Bout-Level Analysis of 211 Official Combats

Objective: To examine the association between first scoring-event acquisition and subsequent victory in female Brazilian jiu-jitsu (BJJ), accounting for paired opponents and repeated tournament appearances. Methods: This secondary analysis included 211 bouts from the 2020 IBJJF Pan American Championship, representing 286 unique athletes. First scoring was defined as the first positive point-scoring action recorded during the bout; scoreless bouts, including those decided solely by advantages, were excluded from the primary analysis. Conditional logistic regression stratified by bout estimated the primary association, with a paired-comparison mixed-effects model used as a sensitivity analysis for repeated athlete appearances. Technique conversion was compared by chi-square, and timing by Kruskal–-Wallis with Dunn–-Holm post hoc tests. Results: An identifiable first- scoring event occurred in 180/211 bouts (85.3%). The first-scoring athlete won 157/180 bouts (87.2%; 95% CI 81.6–91.3%). First scoring was associated with higher odds of victory (conditional OR = 6.83, 95% CI 4.41–10.57; p < 0.001). Guard passes resulted in 57/61 wins (93.4%), sweeps in 57/66 (86.4%), and takedowns in 35/45 (77.8%). Technique conversion did not reach statistical significance (χ2 = 5.49, df = 2, p = 0.064; Cramer’s V = 0.179). Timing differed among techniques (H = 40.23, p < 0.001), with takedowns occurring earliest (median 15 s; IQR 10–41). Conclusions: First scoring was strongly associated with subsequent victory in female BJJ, although causality cannot be inferred from this observational design. Technique-specific conversion showed an exploratory pattern, and takedowns occurred earlier than ground-based scoring actions.