Beti Jai fronton by architect Joaquín Rucoba (1844-1919), author of the Plaza de toros de La Malagueta, the Mercado de Atarazanas and park in Málaga, and the City Hall of Bilbao, among other works. It was the fourth infrastructure of these open features in Madrid at the end of the 19th century, in a time when the sport of Basque pelota reached a remarkable popularity in the Spanish capital. It was preceded, in this order, the frontons Jai Alai (1891), Fiesta Alegre and Euskal Jai. It was opened on April 29 of 1894 (other sources indicate the May 29 of the same year)
Jai alai with a 125–140 g ball covered with goatskin that traveled at , performed by José Ramón Areitio at the Newport Rhode Island Jai Alai, until it was broken by Canadian 5-time long drive champion Jason Zuback on a 2007 episode of Sport Science with a golf ball speed of . The court for jai alai consists of walls on the front, back and left, and the floor between them. If the ball (called a "pilota", "ball" in Euskara) touches the floor outside these walls, it is considered out of bounds. Similarly, there is also a border on the lower of