Free tools for junior tennis parents
Know where your player stands.
Convert ratings, check college fit, compare strings and track entry deadlines. Enter your player's rating once and every tool uses it.
- UTR calculator Will this match move my UTR? Enter the score
- Converter WTN to UTR (and back) Convert a rating
- Estimator What UTR do my results show? Add recent matches
Also: College fit · String database · All tools
The toolkit
All tools →WTN ↔ UTR converter
Convert between World Tennis Number and UTR in both directions.
Open the converterNTRP ↔ UTR converter
Approximate conversion between USTA NTRP levels and UTR, both directions.
Open the converterMatch predictor
Win chances for a match from both players' UTR.
Predict a matchRating impact
How a win or loss could move your player's UTR.
Check the impactUTR estimator
Estimate a UTR from recent match scores and opponent ratings (approximate).
Estimate a UTRCollege fit + gap
Which divisions fit your player now, and the gap to each target.
See the fitProgress tracker
Log ratings over time and see the trend against college targets.
Track progressTournament deadlines
Track the events you plan to play and get a reminder before entry closes.
Track deadlinesUSTA age group calculator
Which USTA junior division (10U–18U) your player is in on a tournament date.
Find the age groupString finder
Answer a few questions and get string matches from our database.
Find a stringString log
Record string, tension and date. Get a reminder when a restring is due.
Start a string logRacquet size calculator
The right junior racquet length from your child's height or age, with ball and court stage.
Size a racquetUTR you need for college tennis
Save your player above to see where they sit on every range.
Strings, compared
Ratings for power, spin, control and comfort, junior advice on tension and gauge, and real prices. Log your setup and we remind you when it is time to restring.
| Most viewed | Type | Power | Spin | Comfort |
|---|---|---|---|---|
| Head Lynx Tour | Polyester | 6 | 9 | 6 |
| Prince Tour XP | Polyester | 7 | 8 | 6 |
| Yonex Poly Tour Pro | Polyester | 6 | 7 | 7 |
| Solinco Hyper-G Soft | Polyester | 8 | 9 | 7 |
| Tecnifibre X-One Biphase | Multifilament | 9 | 5 | 10 |
Guides from tennis parents
All guides →
strategy How to qualify for Orange Bowl tennis A complete guide for US and international players on qualifying for the prestigious Orange Bowl tennis tournaments, including ranking requirements, federation endorsements, and the wildcard pathway. By parents, for parents
We are tennis parents, not coaches.
We built the tools we wanted when we started: clear numbers, honest guides, and reminders so nothing slips. Start with your player's rating, and take it from there.