“…Furthermore, anxiety control and emotional intelligence are necessary not only on the day of competition but also in the preparation period, when athletes have to manage their weight and deal with a stressful training program (Merino Fernández et al, 2020 ). Previous studies have to some extent identified the variables that can be considered as KPIs for judo performance; these including weight management (Escobar-Molina et al, 2016 ; Thomson et al, 2017 ; Gallot et al, 2019 ), level of strength (Ache Dias et al, 2012 ; Franchini et al, 2019 ), technical and tactical skills (Weigelt et al, 2011 ; Bocioaca, 2014 ; Miarka et al, 2020 ), level and direction of motivation (Gillet et al, 2010 ; Boughattas et al, 2017 ; Oliveira et al, 2018 ), nutrition (Artioli et al, 2019 ), capacity for focus and attention (Yahija, 2010 ; Jacini et al, 2012 ; Mihailescu and Sava, 2013 ; Toh et al, 2018 ; Campos Faro et al, 2020 ), sleep habits (Chtourou et al, 2018 ; Knowles et al, 2018 ; Vlahoyiannis et al, in press ), speed (Almansba et al, 2008 ), and level of conditioning capacity (aerobic and anaerobic; Detanico et al, 2012 ; Franchini et al, 2014 , 2016 ; Hesari et al, 2014 ; Anthierens et al, 2016 ).…”