Between 1990-2010 partnered with top tennis coaching professionals in Spain. Some of the names are Pato Alvares, Emilio Sanchez-Vicario, Jordi Vilaro, Antonio Cascalez, Jairo Valasco, Ernesto Lapiedra, Alvaro and Miguel Margets.
In 1998-1999 seasons, among the team of coaches of the Equelite Academy working with Juan Carlos Ferrero. During this time period Juan Carlos Ferrero moved from 405 to 45 in the ATP ranking.
Trainer and coach of Santiago Venture (65 ATP), Mariusz Fyrstenberg (317 ATP), Pedro Canovas (359 ATP), Marcos Jimenez-Letrado (462 ATP), Pedro Rico (548 ATP).
Between 2001 and 2005 founder and manager of TUKS Nortenis Piotrkow Trybunalski. The team moved on to win the National Championship of Academic Sports Schools two consecutive years 2004 and 2005.
As ATP class trainer, lead these individuals to their first professional record lists the following junior polish players:
- Mariusz Fyrstenberg (1998 Portuagal, 317 ATP),
- Igor Bujdo (2008 Koszalin, 748 ATP),
- Maciej Rajski (2009 Turkey, 1084 ATP) – Polish Junior Champion, Czestochowa 2009 clay courts,
- Sebastian Chylinski (2009 Turkey, 1100 ATP) – Bohdan Tomaszewski Cup Winner 2006. Quarterfinalis Torneo Avvenire 2007 Mediolan - Unofficial “Youth World” Championship,
- Kacper Mularczyk (2009 Turkey, 1415 ATP).
Creator and director of program SINNET TEAM.
Krystian Pfeiffer
Thirteen single titles of National Champion of Poland in all age categories.
Represented Poland in the Davis Cup in 2000-2001.
Best tennis player in Poland 2000- 2001.
ATP singles 391.
Player of the year Western Conference of University Championships in USA – year 2000.
Graduate of Southern Methodist University, Dallas Texas.
In 2002 teamed with his father Waldemar Pfeiffer to form PFEIFFER TEAM.
During the five year the frame, the PFEIFFER TEAM players have been awarded such titles as Finalist of Polish Youth Championship, 2nd Team place Polish Youth Championship and triumphed in three International Double Youth tournaments.
Began as a SINNET TEAM trainer in 2007.
Michał Włodarczyk
Licensed instructor - Professional Tennis Registry.
Active career player competing in ATP and ITF rank tournaments.
Player of TK Langen-Frankfurt tennis club.
Between 2006 and 2008 worked in cooperation with PFEIFFER TEAM.
Member of SINNET TEAM from 2008.
Ernesto Lapiedra - Physical Conditioning Trainer
One of the most accomplished trainers of physical conditioning in Europe.
Trained top professional athletes such as Joan Aguilera (No 12 ATP), Arantxa Sanchez Vicario (No 2 WTA), Carlos Costa (No 10 ATP), Francisco Pato Clavet (No 19 ATP), Alberto Berasategui (No 7 ATP), Felix Mantilla (No 10 ATP), Feliciano Lopez (No 21 ATP), Jodi Burillo (No 45 ATP).
Trained “GRUPO Z” an SINNET TEAM.
In 1985 in Spain, pioneered an element of physical conditioning in professional tennis athletes.
