The fastest serve in tennis was recorded at 263.4 km/h (163.7 mph).
β TRUE FACT
The fastest recorded serves have exceeded 260 km/h, showing how much power and technique elite players generate. Serve speed depends on radar setup and conditions, but the top end is firmly in that range.
π€― "The fastest serve in tennis was recorded at 263.4 km/h (163.7 mph). Blink and itβs past you."