Make them run a lot

Yes. I checked SwingVision’s own explanation, and there is a very specific meaning to “Most Tiring Rally.”

What SwingVision means by “most tiring”

SwingVision explicitly defines its automatically generated “5 Most Tiring Rallies” as:

rallies “where you ran the most.”

So it is not primarily:

• the longest rally

• the fastest shots

• the hardest shots

• the rally with the highest heart rate

• the rally with the most calories burned

• or necessarily the rally that felt hardest.

It is essentially a movement/footwork measure. SwingVision looks at the player’s movement during the rally and identifies the rallies in which you covered the most ground. Its separate “5 Longest Rallies” category is simply the rallies in which you hit the most shots.

That distinction is actually quite interesting

Imagine these two rallies:

Rally A

• 14 shots

• You stand fairly close to the center

• Most balls come to you

• Very little lateral movement

Rally B

• 7 shots

• You run wide forehand → recover → wide backhand → short ball → retreat → wide again

• Only 7 shots, but you cover a lot of court

SwingVision could call Rally B “Most Tiring”, even though Rally A is much longer.

And I think this corresponds pretty well to what tennis players normally mean by a physically tiring point. Players often distinguish length from physicality. Andy Murray, for example, has explained that a long match isn’t necessarily physically demanding if the points consist of only two or three shots; what matters is the physicality of the points and whether the muscles are being heavily taxed.

So I’d define it this way

For a tennis player:

“Most tiring rally” = the rally in which your body had to do the most work moving around the court.

And for SwingVision specifically, I’d make that even more precise:

Most Tiring ≈ greatest amount of running/movement detected during a single rally.

That’s why I would not equate SwingVision’s “Most Tiring” with your subjective feeling of exhaustion. You could have a very hard 12-shot rally in which you hit every ball hard but hardly move, and SwingVision may not rank it among your most tiring rallies.

Conversely, a 6-shot rally where you repeatedly sprint from corner to corner can rank extremely high.

And this may explain something in your own SwingVision results

Given the tennis you’ve described to me—especially your doubles play—the “Most Tiring” category could be particularly revealing. In doubles, a rally can be relatively short but physically demanding if you’re repeatedly moving laterally, covering the alley, recovering toward the middle, or chasing a ball pulled away from you.

So if you send me a screenshot of your SwingVision “Most Tiring Rallies” screen, I can help you interpret what it is actually telling you about your movement—and distinguish “I ran a lot” from “I exerted a lot.”