I've always considered that a high percentage serve deliverability, especially under pressure, depends on... the player's mental strength.

As a player prepares to hit the second serve, thoughts of “I’m going to hit it into the net”, “My opponent will attack me” or “I’m going to miss it” often distract and impede him/her from hitting it with confidence.

To avoid these feelings before you are about to serve (second serves in particular) practice the following...

When teaching tennis to a new and beginning student I have always tried to provide them a mix of fun and technique activities in the first lessons.

The very first lesson is especially important because that's when the connection between the coach and player is made and that can be crucial for the tennis future of this particular student...

When I decided to teach my (then) 4, respectively 5 year old two daughters how to play tennis I was both excited and terrified in the same time.

I had already enough experience playing and teaching tennis for almost 30 years but putting all my knowledge on the line to help my two daughters fall in love with the sport was a major job for me...