Pondering tennis scoring, abacus in hand, Moreton Morrell, 2019 Why Score Points/Strokes in 15s? Lovers of tennis have long pondered the origins of the scoring system. In particular, the notion that the first point scores 15, the second point 30 and so on, until one player has scored four points, or, if the score reaches … Continue reading Ancient Arithmetic: The Possible Origins Of The Tennis Scoring System, Part One Of Four Pieces On Tennis History