Tag: Strategy

Data analysis

Workplaces of Federer and Nadal

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Positions of the players Taking optimal position is one of the important strategies in tennis. Are there any differences of position between top players? Data analysis The analyzed match was Australian Open 2017 final “Roger Federer vs Rafael Nadal”. I acquired the positions of the players by a two-dimensional direct linear transformation method. I excluded […]

Data analysis

When underarm serve occurs

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Underarm serve The underarm serve is struck below shoulder level (In Wikipedia. Retrieved July 19, 2019, from https://en.wikipedia.org/wiki/Serve_(tennis)). Normally, tennis players choose overhead serve. However, they occasionally choose underarm serve. I am curious about when underarm serve occurs. It is a controversial whether the underarm serve is rude for opponent. Some people consider the underarm […]