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Tennis Note
Fair doubles rotations, scores and dues for tennis groups
TennisNote runs a recreational tennis club. Check who's coming, generate a fair doubles (or singles) rotation in one tap — max 1-game difference per player, minimal repeat partners and opponents — enter scores court-side or from a smartwatch, and get win rates, rankings, monthly awards and an AI match recap. Dues tracking included. Web, Android, iOS.
Hi PH 👋 I'm Sungkyun from Seoul. I built TennisNote for the person every tennis group has: the one who makes the rotation sheet every week.
It's been used by real clubs every match day since October 2025 — 19,161 games and 2,397 matches scored so far (as of Sep 2026).
What it does:
- Attendance — post a sign-up link in your group chat, or upload a screenshot of the chat poll and it picks out who's coming.
- Fair rotation — 11 formats (7 doubles, 4 singles) plus team, tournament and round-robin. Max 1-game difference per player, same partner/opponent repeats minimized, nobody sits out twice in a row. Late arrival or early leave? Reorder without changing pairs. Every update passes an automatic check against 200 random rosters.
- Scores → stats — enter court scores and you get win rates, partner chemistry, rankings, monthly awards and a 20-type "player character". A Wear OS smartwatch can show today's courts and take score input.
- AI recap — why this rotation is fair, and a match-day write-up (MVP, upsets) with optional narration.
- Dues — monthly payment table, reminders, income/expense summary.
Members don't need to install anything — the web version works, and only the organizer needs an account to run the day. Interface in English, Japanese and Korean. Free for now.
I'd love to hear how your group does its weekly rotation today — spreadsheet? paper? a WhatsApp argument?
About Tennis Note on Product Hunt
“Fair doubles rotations, scores and dues for tennis groups”
Tennis Note was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #226 on the daily leaderboard. TennisNote runs a recreational tennis club. Check who's coming, generate a fair doubles (or singles) rotation in one tap — max 1-game difference per player, minimal repeat partners and opponents — enter scores court-side or from a smartwatch, and get win rates, rankings, monthly awards and an AI match recap. Dues tracking included. Web, Android, iOS.
On the analytics side, Tennis Note competes within Android, Productivity and Sports — topics that collectively have 734.5k followers on Product Hunt. The dashboard above tracks how Tennis Note performed against the three products that launched closest to it on the same day.
Who hunted Tennis Note?
Tennis Note was hunted by Sungkyun Bae. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Tennis Note including community comment highlights and product details, visit the product overview.
Sungkyun Bae