General

Who is SPINDEX for?

Competitive players who want measurable progress
Clubs that want structured rated play
Recreational players who want meaningful matches
Organizers running leagues and tournaments

What is SPINDEX?

SPINDEX is a free, global table tennis rating system that helps players track improvement and helps clubs run consistent rated play.

Is SPINDEX free?

Yes. Creating an account and having a SPINDEX rating is free.

What does SPINDEX stand for?

SPINDEX stands for Standardized Pong INDEX.

How is SPINDEX different from other table tennis ratings?

SPINDEX is a free, global rating system built for accessibility and transparency. Unlike traditional systems that may limit rated play to sanctioned events, SPINDEX allows players to record rated matches anywhere while using Confidence Levels to maintain rating reliability.

What is the SPINDEX rating scale?

SPINDEX uses a 0 to 3,000 ELO scale with a Confidence Level of 1-100. Your rating becomes more accurate as you play more rated matches.

Can I use SPINDEX outside the United States?

Yes. SPINDEX accounts are global. Rated play depends on local organizers and available SPINDEX-rated sessions.

Do I need a SPINDEX partner club to use SPINDEX?

No. You can play a SPINDEX match anywhere with our 1-on-1 Challenge feature.

Do I need special equipment or a referee?

No. SPINDEX-rated play is designed to work under any playable conditions. SPINDEX matches can range from basement matches to sanctioned tournaments.

What formats does SPINDEX support?

Common formats include league nights, round robins, tournaments, and head-to-head matches.

How can my club become a SPINDEX partner?

Use the club interest form on the site or contact the SPINDEX team at info@spindextt.com. Partner clubs receive onboarding support and marketing assets to support their events.

Ratings and Accuracy

How do I know my starting SPINDEX rating?

You have two options:1. Estimate your level and begin with a provisional rating and a low Confidence Level (CL). Your rating may adjust quickly as you record match results.2. Link a rating from another table tennis system for verification. Once verified, your Confidence Level will be set to 90%, meaning your rating will move more gradually.

How is a SPINDEX rating calculated?

Your rating updates based on the difference between yours and your opponent’s rating, as well as both of your Confidence Levels. Beating higher-rated opponents generally increases your rating more than beating lower-rated opponents. Losing to much higher-rated opponents typically decreases your rating less than losing to similarly rated opponents.

How quickly does my rating update?

Ratings update after results are reviewed and processed. Timing can depend on the match type and event setup. 1-on-1 Challenge Matches ratings update as soon as your opponent accepts the results.

What is the Confidence Level?

Confidence Level shows how sure SPINDEX is that your rating matches your real playing level. When you’re new, your Confidence Level (CL) starts lower and your rating may change more as SPINDEX learns. As you log more match results, your CL increases and your rating becomes more stable. If you haven’t played in a while, your CL may decrease until you record new results.

Why is Confidence Level (CL) important?

Your Confidence Level shows whether your rating is still developing or well established and adds transparency to how reliable a rating is. It also affects how ratings move when you’re playing matches with a high or low CL.

How does inactivity affect my SPINDEX?

Your SPINDEX rating does not change due to inactivity, but your Confidence Level will decrease over time. This means your rating may move more when you return to play.

What if I think my rating is wrong?

Early ratings may shift quickly while Confidence Level stabilizes. This is by design. The fastest way to correct it is to play more rated matches against a range of opponents. If you believe there is a specific reporting error, contact support@spindextt.com with more details.

Matches and Reporting

What counts as a SPINDEX-rated match?

A match counts for SPINDEX ratings when it is submitted through the 1-on-1 Challenge feature or through an organized SPINDEX league or tournament on Stadium.

How long after playing a SPINDEX match can I submit results?

You have 7 days to confirm a SPINDEX match results after it has been played for it to count for your rating.

What happens if a match is submitted incorrectly?

If it is caught quickly, it can often be corrected through the organizer or support. The correction process depends on the match type and reporting flow. Reach out to support@spindextt.com to dispute a match submission.

What if my opponent does not confirm the result?

You and your opponent will receive reminders to confirm the result 3 days after it takes place. If the result is not confirmed after 7 days, the match will automatically expire and will not affect either player’s rating.

What if someone is gaming the system?

Report it to support@spindextt.com. Include SPINDEX ID, player name, the event name and date, and any helpful evidence such as screenshots.

1-on-1 Challenges

What is the 1-on-1 Challenge feature?

1-on-1 Challenges let two players play a head-to-head match that can count toward their SPINDEX rating. You can set one up anytime, anywhere, with any SPINDEX user, regardless of skill level or location.

How do I start a 1-on-1 Challenge?

Open the 1-on-1 Challenge feature, select your opponent, play the match, submit the result, and have your opponent confirm.

Do both players need to confirm the result?

One player submits the result, and the opponent must confirm it before the rating updates.

Can I challenge the same opponent repeatedly?

Yes, you can play as many 1-on-1 Challenges as you’d like. However, SPINDEX’s rating system and Confidence Level are designed to reduce artificial rating inflation from repeated matches between the same players.

What happens if we disagree on the score?

You can reject the 1-on-1 Challenge if you disagree with what your opponent submitted.

Do doubles count in 1-on-1 Challenges?

1-on-1 Challenges are only for singles matches as of now.

Clubs and Support

What does it mean for a club to be a SPINDEX partner?

A partner club runs regular SPINDEX-rated play and receives onboarding support, guidance on best practices, and promotional assets.

Are there any hidden costs to SPINDEX or Stadium?

Both systems are completely free to players and organizers.

Does SPINDEX share my personal information?

Only your name and SPINDEX rating are visible to other users. Contact details remain private and are never sold or shared with third parties.

How would SPINDEX support our club?

SPINDEX increases retention by giving players a reason to return and improve. It can also help attract competitive players who want consistent rated play. Clubs running SPINDEX events also get amplification through SPINDEX promotional channels.

I cannot find my club or event. What should I do?

Your club may not be a partner yet, or the event may not be public. Ask your organizer, or contact support@spindextt.com with the club name.

How do I give feedback, report an issue, or request a feature?

Shoot us an email at support@spindextt.com

Stadium x SPINDEX

What is Stadium?

Stadium is an event and match management platform that organizers use to run SPINDEX-rated events. It helps manage players, matches, results, and reporting in one place.

Do I need Stadium to have a SPINDEX rating?

No. Stadium is a platform that can support SPINDEX-rated play, but SPINDEX can be used through other flows and match types.

How do I link my SPINDEX profile to Stadium?

When registering for an SPINDEX event hosted on Stadium, you can link your SPINDEX profile to Stadium with your SPINDEX ID – Stadium will display your full name and SPINDEX rating.

How does a SPINDEX-rated event work on Stadium?

Organizers create a SPINDEX-rated event in Stadium by setting the “System” to “SPINDEX” and ensuring every player is registered under their SPINDEX ID. Players register or check in, matches are played, results are entered, and ratings update after results are reviewed and processed.

Do players need to do anything special during a Stadium SPINDEX night?