A fun, structured tennis program for kids ages 3-6 created by a former NCAA Division 1 player and coach.

• GET LITTLE TENNIS CHAMPIONS

Instant access · Secure checkout (Credit card, Paypal) · 14-day money-back guarantee

• GET LITTLE TENNIS CHAMPIONS

Instant access · Secure checkout (Credit card, Paypal) · 14-day money-back guarantee

Imprint

Information pursuant to Section 5 of the German Digital Services Act (DDG)Provider of this website:Quarterdad
Owner: Niklas Schroeder
Dr. Zahn Straße 7
59555 Lippstadt
GermanyContact:
Email: [email protected]Sales & Contract ProcessingThe sale and processing of the digital and printed products presented on this website are carried out through the payment and transaction service provider:CopeCart GmbH
Rosenstraße 2
10178 Berlin
GermanyFor purchases made through this website, the contract is concluded directly between the customer and CopeCart GmbH. CopeCart acts as the legal seller and issuer of the invoice.VATVAT processing, including the calculation and display of applicable VAT and the issuance of invoices, is handled by CopeCart GmbH as part of the ordering process.Person Responsible for ContentResponsible for content pursuant to Section 18 (2) of the German State Media Treaty (MStV):Quarterdad
Owner: Niklas Schroeder
Dr. Zahn Straße 7
59555 Lippstadt
GermanyDisclaimer / Content NoticeThe content and training materials offered on this website are intended for general informational purposes in the areas of tennis, fitness, and athletic development.They do not constitute individualized training, medical, or therapeutic advice.Any use or implementation of the information and training materials is undertaken at the user's own responsibility.

Privacy Policy

Protecting your personal data is important to me. This Privacy Policy explains what personal data is processed in connection with this website, for what purposes, and what rights you have under the General Data Protection Regulation (GDPR).1. Data ControllerThe controller responsible for the processing of personal data on this website is:Quarterdad
Owner: Niklas Schroeder
Dr. Zahn Straße 7
59555 Lippstadt
GermanyEmail: [email protected]2. Access Data and Server Log FilesWhen you visit this website, the hosting provider may automatically collect information transmitted by your browser. This may include, in particular:IP address
Date and time of access
Browser type and version
Operating system
Referrer URL
Technical information relating to your use of the websiteThis data is processed for the technical provision, security, and stability of the website.The processing is based on Art. 6(1)(f) GDPR. Our legitimate interest is the secure and technically reliable operation of the website.3. Hosting via CarrdThis website is created and operated using the website builder Carrd.As part of the technical provision of the website, Carrd and/or its technical service providers may process personal data, in particular technical access data and server log data.Further information about data processing by Carrd can be found in Carrd's Privacy Policy:Carrd Privacy Policy4. Sales and Payment Processing via CopeCartThe sale of the digital and printed products offered on this website is processed through CopeCart GmbH as payment and transaction service provider and reseller.As part of the ordering process, CopeCart processes personal data required to process and fulfill the purchase. This may include, in particular:Name
Email address
Billing and, where applicable, delivery address
Order and contract information
Payment and transaction dataThe processing is carried out in particular for the performance of the purchase contract, payment processing, provision of digital content, and compliance with legal obligations.Further information about data processing by CopeCart can be found in CopeCart's Privacy Policy:CopeCart Privacy Policy5. Production and Shipping of Printed Products via LuluFor the production and shipping of printed books, I use the print-on-demand service Lulu Press, Inc.As part of order fulfillment, the personal data required for production and delivery, in particular your name and delivery address, may be transmitted to Lulu.This transfer takes place only to the extent necessary for the production and delivery of the ordered printed product.Further information about data processing by Lulu can be found in Lulu's Privacy Policy:Lulu Privacy PolicyLulu provides additional information regarding the processing of personal data under the GDPR for individuals in the European Economic Area.6. Provision of Digital ContentWhen you purchase a digital product, access to the purchased content is provided through CopeCart.For this purpose, CopeCart processes the data required to process the purchase and provide the digital product.The processing is carried out for the performance of the contract with the customer and for the technical provision of the purchased product.7. Contact by EmailIf you contact me by email, the personal data you provide will be processed to the extent necessary to handle your inquiry.The processing is based on Art. 6(1)(b) GDPR where your inquiry relates to the performance of a contract or pre-contractual measures, or on Art. 6(1)(f) GDPR based on my legitimate interest in responding to inquiries.The data will be deleted once your inquiry has been conclusively dealt with, unless statutory retention obligations or other legal grounds require continued storage.8. Cookies and Similar TechnologiesTo the best of my current knowledge, this website does not use its own cookies for analytics or profiling purposes.However, external services, particularly CopeCart or other integrated services, may use cookies or similar technologies.Where consent is legally required for the use of such technologies, they will only be used after the appropriate consent has been obtained.9. Your RightsSubject to the applicable legal requirements, you have the following rights in particular:Right of access to your stored personal data
Right to rectification of inaccurate personal data
Right to erasure of your personal data
Right to restriction of processing
Right to data portability
Right to object to certain processing activities
Right to withdraw consent previously given, with effect for the futureTo exercise your rights, you can send an informal request by email to:[email protected]You also have the right to lodge a complaint with a data protection supervisory authority regarding the processing of your personal data.10. Updates to This Privacy PolicyThis Privacy Policy is effective as of: September 2026

Refund & Withdrawal Policy

Your satisfaction is important to me. That is why the products offered through this website are covered by a 14-day refund policy, subject to the applicable terms below.Digital Books (PDF)After your purchase, you receive immediate access to the digital book.If you decide within 14 days of your purchase that the book does not meet your expectations, you may request a refund without having to provide a reason.Simply send a short email to:[email protected]Your refund request will be processed through CopeCart and refunded using the original payment method.Please note that this 14-day refund policy is a voluntary money-back guarantee offered in addition to any statutory consumer rights that may apply.Printed Books (Print-on-Demand)Printed books are produced individually after your order has been placed and are then shipped to you.A 14-day refund policy also applies to printed books.You do not need to return the book in order to request a refund under this voluntary money-back guarantee.If you are not satisfied with your purchase, you may request a refund within 14 days of your purchase.In the event of a production or shipping defect (for example, a damaged or defective copy), you may request a replacement or refund.How to Request a RefundPlease send an email within 14 days of your purchase to:[email protected]Please include:Your name
Your order number, if available
A brief statement that you would like to request a refundYour request will be reviewed and, where applicable, the refund will be initiated through CopeCart.Payment Processing & RefundsSales and payment processing are handled by CopeCart GmbH.Refunds are processed through CopeCart and, where applicable, returned using the original payment method.

Contact

Do you have questions about a book, your download, or your order?I’m happy to help.Email: [email protected]I usually respond within 24–48 hours.

Terms & Conditions

1. ScopeThese Terms & Conditions apply to all contracts for the purchase of digital content (PDF downloads) and printed books (print-on-demand) offered through this website and completed via the CopeCart sales platform.The contract is concluded between the customer and CopeCart GmbH as the seller.The content offered through this website is created by:Niklas Schroeder
(hereinafter referred to as the “Author”)2. Subject Matter of the ContractThe subject matter of the contract is the purchase of digital and printed training and guidebooks in the fields of tennis, fitness, athletic performance, and mental performance development.The content is intended for general information and training support. It does not replace individualized sports-medicine, therapeutic, or personal training advice.3. Conclusion of the ContractThe contract is concluded when the customer completes the ordering process through the CopeCart sales and payment platform and the payment is confirmed.After successful completion of the purchase, the customer receives:For digital products: access to the download
For printed products: an order confirmation for subsequent production and deliveryContract processing, invoicing, and payment processing are handled through CopeCart.4. Prices and PaymentAll stated prices are final prices in euros.Payment is processed through CopeCart using the payment methods offered on the platform.CopeCart's Terms & Conditions apply additionally.5. Delivery
Digital ProductsDigital content is made available to the customer immediately after successful payment.Printed ProductsPrinted books are produced on a print-on-demand basis after the order has been placed and are subsequently shipped.Delivery generally takes several business days and may vary depending on the production and shipping location.6. Rights of UseThe customer receives a simple, non-transferable right to use the purchased content for personal purposes.The following are prohibited in particular:Sharing the content with third parties
Reproducing or publishing the content
Using the content for commercial purposes without express permissionAll content is protected by copyright.7. Withdrawal & RefundsA 14-day money-back guarantee applies to all products, subject to the conditions set out in the separate Refund & Withdrawal Policy.Digital ProductsWithin 14 days of purchase, the customer may request a refund, regardless of whether the digital product has already been downloaded.Printed ProductsA 14-day refund policy also applies to printed books.A return of the book is not required for a refund under this voluntary money-back guarantee.Refund requests can be submitted by email.Statutory consumer rights, including any applicable statutory right of withdrawal, remain unaffected.8. Disclaimer of LiabilityThe content is used at the customer's own responsibility.To the extent permitted by law, no liability is assumed for:Sports-related injuries
Consequences arising from training
Individual resultsThe content does not replace personal guidance from qualified coaches, physicians, or therapists.Nothing in these Terms & Conditions limits liability where such limitation is prohibited by applicable law.9. Final ProvisionsGerman law shall apply, subject to any mandatory consumer protection provisions applicable in the country of the customer's habitual residence.If individual provisions of these Terms & Conditions are or become invalid, the validity of the remaining provisions shall remain unaffected.10. ContactFor questions regarding the content or refunds, please contact:Email: [email protected]