Scoring first relevance in knockout promotion to Spanish LaLiga Smartbank Olvera-Rojas, Marcos Femia Marzo, Pedro Jesús Castillo Rodríguez, Alfonso Football Scoring first Knockout Semi-professional Promotion Odds ratio The aim of the present study was to examine the effect ' s relevance of scoring first in knockout promotion to the Spanish Liga Smartbank and succeeding ' s probability in the knockout round according to contextual parameters. The sample consisted in all knockout rounds not ending scoreless (n = 199) played in the knockout promotion to Spanish Liga Smartbank between 2004/2005 to 2018/2019 season. Data were examined by descriptive analysis, chi-square tests and binary logistic regressions. Results shown statistically significant values when scoring first and moving through to the next qualifying round (chi(2) [1 df] = 32.37; p < .001). Teams opening knockout round as a home team and scoring first, move through to the next round 61.7% of times while teams opening knockout round as an away team and scoring first, move through to the next round 79.4% of the times (Total OR = 6.19). Moreover, significant results were found relative to the importance of gaining advantage in first-leg match and scoring first in the second-leg match. This information could be useful for coaches and performance analysts, being applicable to competition in order to prevent the opposite team from scoring a goal and to find tactical options that allow your team getting ahead on the scoreboard. 2023-10-24T09:40:24Z 2023-10-24T09:40:24Z 2023-01-01 journal article Olvera-Rojas, M., Femia-Marzo, P., & Castillo-Rodríguez, A. (2023). Scoring first relevance in knockout promotion to Spanish LaLiga Smartbank. Journal of Human Sport and Exercise, 18(1), 11-20. [https://doi.org/10.14198/jhse.2023.181.02] https://hdl.handle.net/10481/85206 10.14198/jhse.2023.181.02 eng http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional Universidad de Alicante