Real Betis (31%). The first match between the two clubs took place on 8 February 1915, with Sevilla winning 4–3. The match was not completed, as high tensions led an aggressive crowd to invade the pitch, forcing the referee to abandon the match. In 1916, the first "Copa Andalucía" was held, this being the first official derby of the Sevilla area. Of the 17 runnings of the cup, Sevilla were victorious 14 times, to Betis' one sole conquest; this included a 22–0 routing after the latter sent their youth team, in 1918. The first time the teams met in league, in "Segunda",
Real Betis with the club, leading the side to the eighth position and to the quarter-finals in the Cup Winners' Cup, where they would lose 2–5 on aggregate to eventual winners Chelsea. Aragonés was followed by the controversial reign of Javier Clemente, who spat on a fan and implied Andalusia was "another country!". The team slipped down the table, finishing 11th and being knocked out of the UEFA Cup by Bologna in the third round. For the next couple of seasons, Betis went through numerous managers, a relegation and a promotion, after which the team finished sixth in the league with Juande