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Sebastian Dartnell - Tennis Coach


Sebastian Dartnell

Coached top ITF juniors alongside Toni Nadal and Carlos Moya at the Rafa Nadal Academy. As a player, top 10 English Junior, ranked #2 in USA for Dalton State NAIA, ranked #20 for Young Harris College NCAA. Currently Director of Tennis at Olaso Academy in Singapore.

Coaching times & fees
  • Please contact Sebastian direct via email or WhatsApp.
  • He can be contacted via WhatsApp on +6582296603
  • Or you can contact him using email on srwdartnell@gmail.com



Rafa Nadal Academy – Lead Coach of ITF Group, 2018-2021

  • Led a team of 27 dedicated professionals as the Team Leader at the prestigious Rafa Nadal – Academy, a world-class tennis training facility
  • Managed logistics of all players travelling internationally to compete in professional tournaments
  • Contributed to and maintained cloud-based player tracking system, used throughout RNA to coordinate multiple departments
  • Collaborated with 3rd party developers
  • Collaborated closely with coaches, sports psychologists, and fitness trainers to ensure a comprehensive and integrated training approach for players
  • Acted as a liaison between players, their families, and the academy, providing ongoing support and addressing any concerns or issues
  • Increased NCAA acceptance rate for players from 50% to 90%

Olaso Academy – Director of Tennis, 2020-present

  • Oversee all aspects of the Academy’s operations, including player development, coaching staff management, program implementation, and facility maintenance
  • The Youngest Director in Olaso’s history
  • Developed and implemented long-term business strategies, resulting in increased revenue and brand recognition within the tennis community
  • Conducted performance reviews, manage exit interviews
  • Collaborated with external partners, including equipment suppliers and tournament organizers, to secure sponsorship deals and maximize the academy’s exposure
  • Increased member base through new initiatives in the Recreation Department
  • Coordinated all tennis activities for member base of over 5,000
  • Developed and executed marketing and promotional initiatives to attract new clients and expand the academy’s reach, resulting in a significant increase in enrollment
  • Established and maintained strong relationships with players, parents, and industry professionals, ensuring high levels of client satisfaction and repeat business

John Newcombe Academy – Tennis Professional, 2016-17

NCAA #20 and NAIA #2, 2012-16