How fast do the williams sisters serve




















The year-old entered the US Open as a wildcard, and drew many eyes. Before the tournament began, Parks was on the waiting line with Venus Williams set to make use of the wildcard. However, when the year-old Grand Slam champion was entered into the main draw, Parks grabbed the wildcard with both hands.

And in her Round-1 battle, she displayed some jaw-dropping tennis, particularly on her serve. Ahead of other big servers such as her sister Serena , the American claimed the record way back in Since then, no player was able to match the speed of mph, until the young Parks did so on Monday.

That's why Serena also uses topspin to her advantage, usually when her first power serve goes out of bounds. Narrator: Now, topspin serves are slower. For example, Serena's average topspin serve is about kilometers per hour, 25 kilometers per hour slower than her power serve.

But topspin serves are more accurate and still difficult to return. That's because the topspin on the ball forces it to drop sharply right before it reaches the opponent. That change in movement is thanks to a phenomenon called the Magnus effect.

As the ball spins through the air, it creates a pocket of lower pressure underneath it. And it's that low pressure that makes the ball drop abnormally fast, catching many opponents off guard. But Serena's second serve is not the fastest in the game. Maria Sharapova, for example, will fire her second serve at about kilometers per hour. But Sharapova sacrifices accuracy for speed here. Chang: So, she combines the first serve, of high speed, which is a little bit more risky, but her second serve is safer.

However, it has a high topspin, and it's awkward to return. And combining these two, she becomes excellent, excellent service player. Narrator: Meaning she scores more aces on average. An ace is a successful serve that the opponent's racket cannot reach and therefore doesn't return. Over the last 10 years, Serena has recorded four more aces per match than the average top 20 WTA players. Chang: Another exceptional quality is her ability to serve the ball without telling the opponent what kind of serve she will make.

Getty Images No. The Czech cracked her massive rocket on her very last serve of a , loss to Agnieszka Radwasnka in the first round of Wimbledon in , while the Japanese star delivered hers at the US Open, where she lost to Madison Keys in a third-round thriller on Arthur Ashe Stadium, , , 3.

Kichenok is probably best known for her doubles results with twin sister Lyudmyla—the only twins other than the Pliskovas to win a WTA doubles title together. There are apps for seemingly any type of niche out there. Following a sport as a fan, or playing it as an athlete can be that much easier with the right apps. Connecting through an app on a There are a few different ways to set up tournament-style play, and different sports feature different set-ups.

One of the common tournament styles that we see in tennis is the round-robin



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