The High Performance Tennis team has set the standard for coaching in South Australia. We are the only coaching provider with all the Tennis Australia qualifications in the team, including:

  • High Performance
  • Club Professional
  • Junior Development

Our team has many years of both playing and coaching experience at all levels of the game.

Domenic Marafiote

Domenic Marafiote – Director

Domenic is the Director and Head Coach at High Performance Tennis. He brings over 20 years of playing and coaching experience and has an extensive amount of knowledge and expertise. Domenic is also one of only a few Tennis Australia High Performance Coaches in South Australia. His holistic approach and implicit coaching style ensures a player’s long-term development. Domenic also has a great understanding and ability to implement technical biomechanics.

Personal Playing Career
  • Australian ranking 8
  • ATP world singles ranking 328
  • ATP world doubles ranking 339
  • Played in the Australian Open Mens Doubles 2005
  • Member of the 16/u Australian Overseas Touring Team
  • Represented Australia in the 16/u World Youth Cup
  • National Junior Ranking 1 (16/u – 18/u)
Coaching Career
  • 2021 Newcombe Medal Winner Coach of the Year for Coaching Excellence - Club
  • 2020/21 South Australian Coach of the Year for Coaching Excellence - Club
  • 2019/20 South Australian Coach of the Year for Coaching Excellence - Club
  • 2018/19 South Australian Coach of the Year for Coaching Excellence - Club
  • 2018 Newcombe Medal Finalist Coach of the Year for Coaching Excellence - Club
  • 2017/18 South Australian Coach of the Year for Coaching Excellence - Club
  • Tennis Australia High Performance Coaching Qualification
  • State Coach – Tennis SA (National Academy)
  • State Physical Performance Coach
  • St Peter’s College Senior School Head Coach
  • Pulteney Grammar School Director of Tennis
Kent Green

Kent Green

Having played for a number of years, Kent brings a lot of playing experience to High Performance Tennis athletes. Using game-based coaching philosophies, Kent is able to develop players of all ages and experiences.

Personal Playing Career
  • Division 1
Coaching Career
  • Tennis Australia Club Professional Coaching Qualification
  • O'Halloran Hill Tennis Club
Tasha Dinan

Tasha Dinan (Strength & Conditioning Coach)

Tasha joins the team as our Strength & Conditioning Coach. She will work exclusively with all the High Performance Tennis athletes and brings a wealth of knowledge and experience from many sports including hockey and tennis.


  • Bachelor of Exercise Science
  • Bachelor of Sports Performance Coaching
  • ESSA Level 1 Accredited Exercise Scientist (Sports Scientist)
  • ASCA Level 1 Strength and Conditioning Coach accreditation
Morgan Brand

Morgan Brand

Morgan has been involved in tennis for over 20 years. She has a lifelong love of the game and loves sharing her knowledge and love of tennis with others.

Personal Playing Career
  • Number 1 ranked Australian 12/u player
  • Member of the 14/u Australian Overseas Touring Team
  • National 12/u Doubles Winner (with Ash Barty)
  • 3 times National 12/u Singles Runner Up
  • Represented South Australia 4 times at National Teams Championships