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Well, howdy there! Let’s talk about who hits that tennis ball the fastest, you know, like a real barn burner! Folks always jawin’ about this fella and that fella, but let’s get down to the nitty-gritty.

Now, I heard tell of this fella, John Isner. They say he’s American, big as a barn door, I reckon. Folks keep sayin’ he holds the official record, somethin’ the big wigs at the ATP cooked up. They clocked him at somethin’ like 157.2 miles per hour, or 253 kilometers if you’re one of them fancy city folk. Happened back in 2016 at some Davis Cup thingamajig. Fast, I tell ya, faster than a greased pig at a county fair!
But hold your horses! There’s another name gettin’ tossed around like a hot potato – Sam Groth. An Aussie, they say. Now, this one’s a bit of a how-do-you-do. They say he whacked one even faster, a real screamer at 163.7 miles per hour, or 263.4 kilometers for them city slickers. Happened way back in 2012 in Busan, South Korea, at some Challenger shindig. Now, that’s somethin’ ain’t it? Faster than a runaway tractor, I’d say!
So, who’s the real McCoy? That’s what everyone wants to know. Isner’s got the official record, the one the big shots recognize. But Groth’s got that unofficial one, the one folks whisper about. It’s kinda like arguin’ over who makes the best apple pie at the county fair – everyone’s got their opinion, and there’s no real right answer.
- John Isner: Official record holder, 157.2 mph (253 km/h).
- Sam Groth: Unofficially faster, 163.7 mph (263.4 km/h).
Makes your head spin, don’t it? It’s like tryin’ to catch a chicken in a windstorm. One minute you think you got it, the next it’s flappin’ off in another direction.
Now, some folks get all tied up in knots about the rules and regulations. Was it an official match? Was the radar gun workin’ right? Did the fella have his Wheaties that mornin’? Too much fuss if you ask me. All I care about is whether that ball went zoomin’ across the net like a bat outta heck!

And let’s not forget about the ladies! That Serena Williams, she’s somethin’ else, let me tell ya. Strong as an ox, that one. I heard tell she smacked one at 128.6 miles per hour at the Australian Open back in 2013. Not as fast as them fellas, but still mighty impressive. She said she’s hit some even faster in practice, but they didn’t go in, you know? Like throwin’ a horseshoe and missin’ the stake. Happens to the best of us. It just goes to show you, speed ain’t everything, gotta get it in the box too.
So, there you have it. Isner, Groth, and even Serena – they all got that somethin’ special, that power to make that little yellow ball go like a rocket. Who’s the fastest? Well, that depends on who you ask and what you believe. Me? I just like seein’ that ball fly. It’s excitin’, gets your blood pumpin’. Like watchin’ a good ol’ fashioned horse race, but with fuzzy balls instead of horses.
And don’t you go forgettin’, there’s always gonna be some young whippersnapper comin’ along, tryin’ to break them records. That’s the way of the world, ain’t it? Just when you think you’ve seen it all, somethin’ faster comes along. Keeps things interestin’, I reckon.
So next time you’re watchin’ them tennis matches, pay attention to that serve. It’s more than just hittin’ a ball; it’s about power, skill, and a whole lotta determination. And who knows, maybe you’ll see the next record breaker right before your very eyes! Makes you think, don’t it? All that speed, all that power, packed into one little yellow ball. It’s a marvel, I tell ya, a real marvel.
Anyways, that’s my two cents on the matter. Take it or leave it, I don’t much care. Just thought I’d share what I know. Now, if you’ll excuse me, I gotta go check on my chickens.

Tags: Fastest Tennis Serve, John Isner, Sam Groth, Serena Williams, Tennis Records, ATP, Tennis Speed, Powerful Serve