Frequently asked questions
BallScience4U is the performance lab of the AUGMANITAI research programme — performance coaching with AI for tennis, padel, pickleball and golf.
Why this concerns you: read the short, honest answers below before you write to us.
Answers are reproduced verbatim in German — no prices online, but a real contact for every question.
Translation: “Whoever understands how they think, understands how they play.”
Sports
Tennis · Padel · Pickleball · Golf
hover to seeBooking status
Direct online booking currently paused — enquiries by email or form.
Enquiries are answered personally — no pricing given by form.
hover to seeWhich sports are offered?
Tennis, Padel, Pickleball and Golf. Focus: performance factor analysis and Mental Sports Coaching to GPTCA / ISMCA standard (recognised international coaching standards).
Who is BallScience4U for?
— Clubs and associations looking for structured coaching for their high-performance players\n— Individuals with competition or association background\n— Universities and colleges with sports programmes\n— Experienced players who want to systematically develop their technique\nBeginner coaching is possible in individual cases, but not the focus.
What is Phöni?
Phöni is the AI assistant of BallScience4U. It supports the training process through motion analysis, load management, training diary and competition preparation. Phöni is a tool, not a substitute for human coaching, and it applies this same coaching method to current players. One historical example from practice, achieved with the method alone, well before Phöni existed: Julia Wagner improved from performance class LK2 to DTB 150 within six weeks. More details on the term system behind it, License of Clarity — Andreas Ehstand's own vocabulary-brain for human-AI interaction:
Phöni ist die KI-Assistenz von BallScience4U. Sie unterstützt im Trainingsprozess durch Bewegungsanalyse, Belastungssteuerung, Trainings-Tagebuch und Wettkampfvorbereitung. Phöni ist Werkzeug, kein Ersatz für menschliches Coaching, und wendet dieselbe Trainings-Methode heute bei aktuellen Spielerinnen und Spielern an. Ein historisches Beispiel aus der Praxis, erreicht allein mit der Methode, lange bevor es Phöni gab: Julia Wagner verbesserte sich innerhalb von sechs Wochen von Leistungsklasse LK2 auf DTB 150. Mehr Details zum Begriffs-System dahinter, License of Clarity — Andreas Ehstands eigenes Begriffs-Gehirn für Mensch-KI-Interaktion:
Behind it is a method: real training moments are observed, named and distilled into one clear term — Phöni is the tool that makes these terms usable in training, not a replacement for them. More on the method: Performance Lab.
Dahinter steckt eine Methode: reale Trainingsmomente werden beobachtet, benannt und zu einem klaren Begriff verdichtet — Phöni ist das Werkzeug, das diese Begriffe im Training nutzbar macht, nicht ihr Ersatz. Mehr zur Methode: Leistungslabor.
How does coaching work?
After an initial conversation (phone or video) an individually tailored training plan is developed. Coaching takes place as individual training, group training or as digital accompanying coaching with Phöni support. Process, scope and cost are discussed exclusively in the personal conversation — there is no online price list.
Will my data be stored?
This website only sets technically necessary cookies. Embedded content (videos, maps) is only loaded once you expressly consent. For booking individual AI-supported services you will be informed separately before contract conclusion and asked for consent. Details: Privacy policy
This website only sets technically necessary cookies. Embedded content (videos, maps) is only loaded once you expressly consent. For booking individual AI-supported services you will be informed separately before contract conclusion and asked for consent. Details: Privacy policy
Are health or psychotherapeutic services offered?
No. BallScience4U offers sports coaching and Mental Sports Coaching in the sporting context. For health, psychotherapeutic or medical questions please contact the appropriate qualified professionals.
Are financial, legal or career advisory services offered outside of sports?
No. BallScience4U is limited to sports performance coaching and sport-related career planning. Advice in other areas of life is outside the scope of services.
Where can Andreas Ehstand be reached?
Phone: +49 151 29108224 Email: andreas.ehstand@augmanitai.com Address: Nepomukweg 7, 82319 Starnberg
Which brands are protected?
License of Clarity®, BallScience4U and Phöni are designations with claimed trademark or business name protection. Details and licensing information: Rights & Protection
License of Clarity®, BallScience4U und Phöni sind Bezeichnungen mit beanspruchtem Marken- bzw. Geschäftsbezeichnungsschutz. Details und Lizenzierungs-Informationen: Schutz & Rechte
This protection is not a formality — it is part of the value: all terms, the methodology and the entire framework are additionally licensed under CC BY-NC-ND 4.0 — free to read and cite, but not to commercially copy. That is what sets the method apart from an ordinary training tip.
Can I talk to you before booking?
For clubs, federations and academies: an initial conversation is always possible — describe your needs and I will personally reply within about 3 working days.
Is online booking currently possible?
Booking starts soon — currently no booking possible. A renewed booking option will be announced on this page. For advance enquiries, demo appointments for Phöni or cooperation requests please use the contact form or write directly to andreas.ehstand@augmanitai.com.
Booking startet in Kürze — aktuell keine Buchung möglich. Eine erneute Buchungsmöglichkeit wird auf dieser Seite angekündigt. Für Vorab-Anfragen, Demo-Termine zu Phöni oder Kooperationsanfragen nutzen Sie bitte das Kontaktformular oder schreiben direkt an andreas.ehstand@augmanitai.com.
Full legal texts (imprint, privacy policy, rights & protection, §1–§18 disclaimer) are published in the legal section on the homepage, linked in the footer.
