Customer opinions:

Our best references are the testimonials of our satisfied customers: Read more on what our users and customers say about their experience with the online booking system by tennis04.

Mr Jabi (Hotel and tennis center owner)

Alleehotel Bensheim, Hessen

We love tennis04. The numbers speak for themselves. There was no other way to raise the number of single hours up to this amount without this system.

Read more on what Mr. Jabi (Hotel and tennis center owner) has to say about tennis04


Mr Oliver Schmidt (DTB B-trainer and DTB Club Manager, Licensed Sports Teacher)

OTS team Köln, North-Rhine Westphalia


Mr Mr. Klemm (former 1. Chairman)

TC RW Neustadt, Rhineland-Palatinate

„ I would like to give the tennis04 team my heartfelt thanks for the past years of pleasant cooperation.”

Read more on what Mr. Mr. Klemm (former 1. Chairman) has to say about tennis04


Mr Strittmatter (2. Chairman)

TC St. Georgen im Schwarwald, Baden Württemberg

„By using tennis04 we have a higher utilization of capacity on one hand and reduced operating expenses on the other.“

Read more on what Mr. Strittmatter (2. Chairman) has to say about tennis04


Mr Horn (BTV regional trainer)

TC Amberg am Schanzl, Bavaria

“Since the launch of tennis04 in fall 2011 we have had noticeably better control, generated more revenue and attracted some new members.

Read more on what Mr. Horn (BTV regional trainer) has to say about tennis04


Mr Markutt (leaseholder)

Tenniscenter Bad Ragaz, Switzerland

“After a local computer crash, tennis04 is available immediately and can be used at any other computer with internet access”

Read more on what Mr. Markutt (leaseholder) has to say about tennis04


Mr Kniewasser (owner)

Longline Tennis Academy, Upper Austria

“All reservations have run smoothly since the implementation of the online booking system by tennis04.”

Read more on what Mr. Kniewasser (owner) has to say about tennis04


Mr Mr. Barounig (Chairman)

ASKÖ tennis centre Linz

“I especially like the simple setup and easy handling.”

Read more on what Mr. Mr. Barounig (Chairman) has to say about tennis04


Mr Eng. Sekera (online-instructor)

Grazer Tennisclub, Styria

„For the most part our caretaker’s workload has been relieved, as court reservations can be done independently via the system and not like the olden days, on the phone. Who still employs a care taker 24/7 on the site nowadays? It is unnecessary.“

Read more on what Mr. Eng. Sekera (online-instructor) has to say about tennis04