Hi Craig,
Glad to hear from you after a long time.
Please click here to review my analysis of Oliver’s serve. The lessons recommended to review are:
https://members.tennisevolution.com/lessons/collapsed-knee-mistake/
https://members.tennisevolution.com/topics/right-amount-of-knee-bend-4/
https://members.tennisevolution.com/topics/toss-and-knee-bend-timing-6/
The drills recommended to practice are:
https://members.tennisevolution.com/topics/break-the-plane-drill-4/
https://members.tennisevolution.com/topics/eyes-up-on-contact-drill-3/
https://members.tennisevolution.com/topics/serve-and-miss-the-ball-11/
https://members.tennisevolution.com/topics/serve-into-the-fence-11/
Regards,
Herman Krackow,
Head Coach