BTA Team

Sergi Valldaura Bio

Sergi has been a fitness coach since 1992 and has Physical Education degrees from Universities in San Sebastian and Lleida. He also earned certifications in Quiromassage (Barcelona 2012) and Osteopathy (Barcelona 2015).

Sergi has worked with the following players:

  • Malek Jaziri (ATP best 42)

  • Elena Bovina (WTA best 14)

  • Pere Riba (ATP best 65)

  • Flavia Pennetta (WTA best 6)

  • Monica Puig (WTA best 27)

  • Sabine Lisicki (WTA best 12)

  • Svetlana Kuznetzova (WTA best 2)

  • Albert Portas (ATP best 19)

  • Olga Fridman (ITF Junior best 12)

He was a fitness coach for the Spanish Davis Cup team in 2010 and 2012.

Sergi has been the fitness coach of the ATP player - Marcel Granollers (ATP Singles best 19; Doubles best 4) since 2009 and continues to work with him today, as well as top ITF juniors, ATP and WTA players.

He speaks Spanish, Catalan, English and French.

Our coach Sergi working with players om their reflexes & speed around the court.

Albert Vicens Costa Bio

Academic formation

2005-2009 Secondary School (Sant Josep school)

2009-2011 High School (Institut IES Sant Feliu)

2011-2015 Graduate in physical activity and sports science (Euses)

Professional experience

- Oct 2015 - now: Fitness and tennis coach (Andrés Gimeno Tennis Club)

- Nov 2016 - Dec 2017: Fitness coach (Redindoor Viladecans)

- May 2015 - Oct 2015: Fitness coach (Sánchez-Casal Academy)

- Feb 2015 – Apr 2015: Pràcticum (Sánchez-Casal Academy)

- 2011 - Jan 2015: Tennis coach (Girona Tennis Club)

- 2009 - Jan 2015: Tennis coach (Guíxols Tennis Club)


Catalan - native language

Spanish - native language

English - title level B2.1

Coordination and agility drills. Movement for tennis.

Jordane Doble Bio

Born on 2/12/1980 in France (Bordeaux), he started playing tennis when he was 4 years old.

At 18 years old, after his Baccalaureate, he finished in the U18 top 5 in France.

From the age 18 till 20 he practised in the National French Centre (CNE) in Grenoble with Georges Deniau and Philippe Pesch.

He entered top 50 in France in 2001 (stayed in the top 50 for 8 years, his best French ranking being No.35).

Best ATP ranking: 385 in singles, 302 in doubles. He won 7 Futures tournaments (10000$ and 15000$) in singles and 3 in doubles.

Best result in Challengers: 1/4 final (lost against Clement Arnaud - 88 ATP).

Best ranking victory: Roitman Sergio (ATP 84) in a 2008 Challenger.

Most famous players he played against: NADAL, FERRER, TSONGA, MONFILS, KARLOVIC...

He won twice the National Tennis French Circuit (CNGT).

Finalist of the French National Championship 1st Division Team Matches (with Villa Primrose) in 2008.

Stopped playing in 2009.

He got his French National teaching diploma (DES) in 2009 and then coached in a club in Luxembourg (2009-2016).

He likes cinema and electronic music.

Make sure to check out Jordane's profile at

Our head coach Jordane working on technique with Paige. The goal of the exercises is to make the player lean to the shot and stay low on the legs.
Our coach Jordane working with Aaron on the backhand.

Karolina Sznycer Bio

Marketing & Social Media Manager



  • PhD in communication, sport media & tennis psychology, Faculty of English, Adam Mickiewicz University

  • Post graduate studies in sport psychology - the psychology of mental toughness in elite tennis, University of Economics, Bydgoszcz

  • MA in multimodal communication in the media (image & text)

  • BA in linguistics


Work Experience

Barcelona Tennis Academy - social media & marketing manager

-social media: content creation & management

-website design & updates

-email marketing: newsletters

-promotional material & campaigns


Angelique Kerber Tennis Academy - social media & PR manager

-social media: content creation & management

-promotion of sports events: ITF 10k Angie Cup 2016, Polish national tournaments for all age categories


  • Promotion, sponsoring & PR for tennis players

  • Mental coach

  • Europa-Universitat VIADRINA Frankfurt (Oder) - lecturer, MA & BA seminars on communication & identity, 2012-2014

  • teacher of English - all levels (primary, secondary, university, English for specific purposes)

  • photographer

Luis Scarda Bio

Luis was born on February 7th, 1980 in Itu, Brazil. As a junior he competed at national tournaments in Brazil and also at the COSAT Circuit in South America. When reached the age of 15, he moved to Atlanta (USA) to train at International Tennis Academy with Dan Cassidy, freer top 60 ATP. In the USA he competed at national tournaments and Futures tournaments as well.

He received a scholarship to play for Georgia Perimeter College where he was a two-time National Champion. He then transferred to play for Florida Gulf Coast University, where he graduated with a marketing degree.

Luis has coached many top players at the International Tennis Academy in Atlanta and also in Brazil. He is fluent in English, Spanish and Portuguese.

Working on the hip and shoulder turn for the open stance & good balance ➡️ forehand exercises with our head coach Luis & 9-year-old Layla.

Jordi Comalat Bio

    Barcelona Tennis Academy Office Manager

  • Instructor The United States Professional Tennis Registry (USA)

  • Standard Method Professional Tennis Registry (USA)

  • Sports Manager in Club Tennis Badalona (Barcelona-Spain)

  • Sports Manager in Club Tennis Premia de Dalt (Barcelona-Spain)

  • Instructor in Club Tennis Badalona (Barcelona-Spain)

  • Instructor in Club Tennis Premia de Dalt (Barcelona-Spain)

  • Instructor in Club Tennis Vilassar de Mar (Barcelona-Spain)

  • Best Spanish Ranking – Singles 164

  • Commercial & Marketing Manager International Touristic Company

  • Commercial & Marketing Manager National Touristic Company

  • Post Grade in Management Director (Barcelona-Spain)

  • Post Grade in Commercial & Marketing Director (Barcelona-Spain)

  • Post Grade in Touristic Departments (Cordoba-Spain)

  • Graduated in Touristic Area (Barcelona-Spain)

  • Languages: Spanish, English and French

Raphael Maurer Bio


Owner & Director

Raphael was born on January 10, 1979 in Lausanne, Switzerland. A sports fanatic at a very young age, Raphael chose tennis over soccer at the age of 13. Ranked # 2 in the country in the 14&under age group, Raphael won the Winter Cup (European Team Championships) for Switzerland alongside Michel Kratochvil (former top 50 ATP player). In 1993, he entered the National Training Center in Ecublens, Lausanne, where he started working with famous French Coach and French Davis Cup Captain, George Deniau, as well as Pierre Paganini, current Physical Trainer for Roger Federer. Raphael trained there for 2 years with the best players in Switzerland, including Marc Rosset and Roger Federer. He travelled with Swiss players such as Michel Kratochvil, Martina Hingis, and Patty Schnyder. During his junior career, Raphael won 8 medals in National Championships, including 3 gold and had wins over many current professional players including Juan-Carlos Ferrero. He also participated in some big international events such as the Orange Bowl.

In 1998, Raphael was offered a tennis scholarship at Flagler College (NAIA) in Florida where he graduated with a Bachelor of Arts in Sport Management with minors in Business Administration and Spanish. During his four years at the school, the tennis team never finished the season below 7th in the nation and Raphael was named All-American twice, ending his sophomore year ranked #2 in the nation in doubles.

Raphael founded the Barcelona Tennis Academy in 2010. He is fluent in French, English, Spanish and German.

Make sure to check out Raphael's profile at