how tall is john isner tennis player June 28, 2026 • 1 min read TwitterFacebookWhatsAppLinkedInTelegramCopy Link John Isner, the American tennis player, is 6 feet 10 inches tall, which is about 2.08 meters. Written by Shikivahana "The person who doesn't read has no advantage over one who can't." — This philosophy guides my writing and exploration of ideas.