Credit: Sandra Sanchez/ Twitter VideoKaratezFeatured Video WATCH: Sanchez vs. Bottaro From Karate-1 Istanbul By FIGHT SPORTS Share Watch as Sandra Sanchez faces off against Viviana Bottaro from the World Karate Federation’s stop in Istanbul for the Karate 1- Premier League. FIGHT SPORTSKarateKarate 1-Premier LeagueKarate 1-Premier League IstanbulSandra SanchezViviana BottaroWKFWorld Karate Federation Share