thumb Speed-Ball ( / ) is a racquet sport invented in Egypt in 1961 by Mohamed Lotfy, father of Hussein Lotfy (first world champion) and Ahmad Lotfy (the present president of FISB), for the training of beginner tennis players. Today it is a sport in its own right, enjoying popularity not only in Egypt but in other countries. Several of these countries make up the International Federation of Speed-Ball (FISB).
thumb Speed-Ball ( / ) is a racquet sport invented in Egypt in 1961 by Mohamed Lotfy, father of Hussein Lotfy (first world champion) and Ahmad Lotfy (the present president of FISB), for the training of beginner tennis players. Today it is a sport in its own right, enjoying popularity not only in Egypt but in other countries. Several of these countries make up the International Federation of Speed-Ball (FISB).
== Description == thumb A hollow ball in latex revolves around a metallic mast (1,70m high) which is linked by a nylon thread (fishing thread type) of 1,70m length. The thread is knotted to the mast by a loop or a plastic ring freely revolving around a reel. The mast is fixed in a base from 40 kg to 90 kg. The ball is elliptic and is hit with a rigid plastic racquet with a small handle and strings around 25 cm diameter. The speed-ball court is about 6x4 m. for the single match and 8x6 m. for the doubles.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).