Real Betis happened in 1928–29, with both teams winning their home matches (3–0 and 2–1). They played for the first time in the Spanish top division during the 1934–35 season, with a 0–3 home defeat for Sevilla and a 2–2 draw at Betis, with the latter winning the national championship. On 17 January 1943, Betis lost 5–0 at Sevilla, eventually being relegated. In the first game held at the Ramón Sánchez Pizjuán Stadium, on 21 September 1958, the "Verdiblancos" won it 4–2. In later years, several matches were also marred by violence, including: a security guard attacked by a Sevilla fan with
Real Betis proceedings, Lopera sold 94% of the shares that he owned (51% of Betis total shares) to Bitton Sport, fronted by Luis Oliver, for the surprisingly low figure of €16 million, leaving Lopera with only minor shares; Oliver had already reportedly taken two football clubs, Cartagena and Xerez, to the brink of bankruptcy. Before the sale could be officially sanctioned, however, Ayala froze Lopera shareholdings. Left with nothing, despite putting down a €1 million deposit, Oliver hastily bought a nominal number of shares from a third party and was voted onto the board of directors by the existing members (all former