Academy Head Coach

James Greenhalgh

Qualifications + Background

Since retiring from professional tennis 10 years ago, James has devoted his time and energy to developing New Zealand’s top junior and senior players. He has helped coach many aspiring players to represent NZL at junior and senior Davis Cup and Fed Cup level. His commitment and enthusiasm to the game is infectious.

James has 27 New Zealand National titles, is three-time NZ Residentials Singles Open champion and seven time NZ Residentials Doubles Open champion. He spent nine years as a NZ Davis Cup player with experience competing against Davis Cup teams from Australia, Brazil, Switzerland, Austria, Spain, Netherlands, Thailand, Uzbekistan, Labanon, Indionesia, China, Taipei, Japan, Korea and China.

James has 1 ATP Tour doubles title— Hong Kong Open, and 2 ATP Challenger doubles titles—Sapot and Warsaw Open. He has 23 ITF Satellite/Futures titles and was Wimbledon and French Open Doubles Junior Champion. Career high doubles ranking #89 and singles #327

Coaching Experience

Currently, James is the Tennis Auckland Regional Performance Manager. In the past, James captained both Tennis NZL’s Junior and Senior Davis Cup Teams. Previously he successfully managed Tennis NZL’s High Performance programmes.

James has developed multiple National title holders and transitioned Junior players to professionals. He holds a Tennis Australia, High Performance Level 3 Coach qualification graduating in 2008 and is a Tennis NZL and Tennis Australia Coaches Association member. James also holds a current St John’s First Aid Level 1 qualification.


Phone:021 333 903

Academy Coach

Adam Staub

Qualifications & Background

Adam has played tennis since the age of 6 years old. Throughout his junior years he competed in New Zealand and Australia, then went on to play Club Tennis in Germany for three consecutive seasons where he also played money tournaments and began his coaching career. Adam then went on to play and coach throughout Australia and still has a strong relationship with many of the coaches over there. Currently he coaches full time and plays Carobowl and Chelsea Cup. He looks forward to bringing his skills and knowledge to the High Performance Coaching Group.

Adam is a Tennis Coaches NZ member, an Assistant Junior Coach and is qualified in St John’s First Aid.

Coaching Experience

Adam is a Tennis Auckland performance programme coach. He also has experience coaching Hot Shots and was assistant coach at St Heliers Tennis Club for 4 years.

Additionally, Adam coached in Germany from 2003-08 and throughout northern Australia from 2009-13.

Phone:021 424 429

Academy Coach and Tennis Hot Shots Head Coach

Diana Deyeva

Qualifications + Background

Diana has been playing tennis since she was 5 years old. She started competing in regional and national tournaments at the age of 10, and in her junior years she played in multiple international ITF tournaments throughout New Zealand, Australia and Europe.  She also competes in SCARBRO Caro Bowl. Diana is very passionate about coaching and has had experience coaching in multiple clubs in Auckland.

Diana has completed the Tennis Australia Junior Development Coaching Course and has a First Aid qualification.

Coaching Experience

Diana has wide knowledge and experience in coaching across all ages and abilities. She has worked in multiple clubs in Auckland, primarily WestEnd and Whangaparaoa tennis clubs. She has been the Tennis Auckland Hot Shots programme coach for 2 years. 

Phone:021 250 7062

Tennis Hot Shots Coach

Chanistha Ampornachariya (CT)

Qualifications & Background

CT began playing tennis at the age of 9 years old where she also started competing in regional and national tournaments. Winning her first national title at the age of 10, CT has 19 New Zealand National titles, including the NZ Junior Masters Singles champion for U12 and U14 as well as individual, teams and school national titles. CT also won the Tennis NZ Top Dog award in 2011 where she won 104 from 114 matches in a one-year period. She has represented New Zealand 4 times, at World Juniors in Malaysia, World Secondary School Championship and the Optus tournaments held in Australia. Her career high ranking was #2 in NZ for her age group and is currently still ranked top 50 in NZ open age bracket. She has also won numerous titles over in Thailand.

Currently CT is a Tennis Auckland Hot Shots coach, she also attends The University of Auckland. She holds a current St John’s First Aid Level 1 qualification.



CT has coaching abilities coming from a competitive tennis background. She has been the Tennis Auckland Hot Shots programme coach for the last year.

Phone :022 599 5595

Tour Excel Coach

Matthew Alexander

Qualifications & Background

USPTA Professional Coach

ASCA Strength & Conditioning Coach

Bachelor of Science majoring in Sport & Exercise at Massey University

Currently pursuing a Masters in Sport & Exercise on quantifying internal & external training loads in tennis players.

2013 NZ Champs Doubles Runner Up

2015, 2016 Played club tennis in Germany

2017 Represented NZ at the World University Games in Taipei.

Has won Premier Interclub titles in North Harbour (Milford), Wellington (Tawa) and Christchurch (Waimairi).



Matt is currently the National Development Coach for Tennis NZ where one of his roles is running the Tennis Auckland Tour Excel Program.

Since starting at Tennis NZL he has captained the NZ 12/u girls and 13/u boys at the Australian National Teams Events as well as the 14/u boys at the World Junior Teams Event Qualifying in Kuala Lumpur.

Prior to this Matt was the Academy Coach at Tennis Northern for 2 years.

Phone :021 077 4738


Tennis Hot Shots Coach

Tina Tsai

Qualifications & Background

Tina has been playing tennis since she was 7 years old. She started competing in regional tournament in Taiwan at the age of 12, and in her junior years she played in multiple International ITF tournaments. She also competed on Caro Bowl Reserve and Money tournament. Her passion includes encouraging kids to engage with tennis and help the junior players to compete and improve their rankings in New Zealand. Tina has completed her sports and recreation certificate also finishing her Australia Junior Development Coaching course and has a first aid qualification.



Tina is Currently Tennis Auckland’s Tennis Hot Shots coach. Tina has had coaching experienced in multiple clubs in Auckland.

She has been coaching at Pakuranga Tennis club for 2 years as an assistant coach and coaching Tennis Hot Shots for the past year.

Phone :022 587 0301


Strength and Conditioning Coach

Oliver Milton

Qualifications & Background

Ollie is currently training Tennis Auckland academy players in Strength and Conditioning.

Having worked with collegiate tennis players in Stanford University in America, Ollie understands the physical demands and conditioning required for young tennis players. Using a blend of classic strength and conditioning exercises, pilates and movement based prehab, Ollie is giving athletes the tools to make themselves stronger, faster and more resilient on and off the court.



Ollie has a BSc. In Athletic Therapy and Training from his home country of Ireland and a MSc.  Physiotherapy  from Robert Gordon University in Scotland. Ollie is a qualified Pilates Instructor and has studied Strength and Conditioning modules in his undergraduate degree.

These skills have been put into practice working not only in tennis, but Gaelic Football (Irish National Sport), rugby, soccer , wrestling and volleyball. Ollie moved to New Zealand in 2019, working as a physio with Peak Pilates and Physiotherapy, through which he began to work with Tennis Auckland.

Tennis Hot Shots Programme Coach

Kay Liang

Qualifications & Background

Kay has been playing tennis since he was 7. He started competing regional and national tournaments in Taiwan at the age of 9, and in his junior age he played in multiple international ITF tournaments. His passion including to encouraging kids to engage with tennis and help the junior players to develop their performance and skill techniques. Kay has completed the Tennis Australia Junior Developing Coaching Course and has a First Aid qualification.



Kay has knowledge and experience in coaching across all age and abilities, He had experience coaching Tennis Hot Shots and as an assistant coach in Cockle Bay Tennis Club.


Kay is currently Tennis Auckland Tennis Hot Shots coach and is coaching Tennis Xpress and Cardio Tennis classes.

Phone :021 030 5654


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