How many on-court hours are enough for juniors?

Preview text: Coach Piotr Sierzputowski shares his approach for 16–18-year-olds.

Wednesday, Oct 14, 2026 at 6:45 AM EasternKlaviyo

Functional TennisHow many on-court hours are enough for juniors?

Fit to screenFull size

Using this email in an article? Credit: Functional Tennis email via They Sent It, with a link to this page. Full-size image

Use this example

Subject: How many on-court hours are enough for juniors?
Preview text: Coach Piotr Sierzputowski shares his approach for 16–18-year-olds.
From: ace@functionaltennis.com
Brand: Functional Tennis
ESP: Klaviyo
Sent: Wed Oct 14, 2026, 6:45 AM ET
Size: 48 KB
Images: 6
Links: 9, 3 of them buttons
Subject length: 47 characters

Against Functional Tennis's usual

Sent in the 6 AM hour, which holds 15% of its emails; 16% arrive in the 11 AM hour. The subject is 47 characters; its average is 33.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Oct 18, 2026 7:00 AM	FT99 price drop for 1 week only
	Oct 16, 2026 8:53 AM	🥇 The Best Seller
	Oct 14, 2026 8:46 AM	👨‍🏫 Brief History of Functional Tennis
	Oct 14, 2026 6:45 AM	How many on-court hours are enough for juniors? (this email)
	Oct 13, 2026 8:45 AM	👋 Welcome
	Oct 10, 2026 10:31 AM	Your 15% Off is not ending....
	Oct 8, 2026 3:30 AM	Yearly racket catchup with tennisnerd