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 by winning their first Segunda División title in 1932, finishing two points ahead of Oviedo FC, thus becoming the first club from Andalusia to play in La Liga. Under the guidance of Irish coach Patrick O'Connell on 28 April 1935 Betis won the La Liga, to date their only top division title. They topped the table by a single point over Madrid FC. A year later Betis went down to seventh. This was due to the dismantling of the championship-winning team because of the club's poor economic situation and the arrival of the Civil War, meaning that just 15 months