Why Is Tennis Scored 15, 30, 40? (Beginner's Guide) - My Tennis HQ
Live Tennis on Twitter: "#Tsitsipas down 0-30 as a baseline ball shades long - a backhand volley for 15-30, but a missed forehand for 15-40. 30-40 pummels #Nadal's backhand for the error.
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People are only just realising why scoring goes 15, 30, 40 in tennis - Daily Star
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