2013-to-date
Working with Nikola Cacic (ATP #471; before injury he was #281)

2011-to-date
Working in Bergamo, Cremona, Piacenza, as a coach project of Riccardo Piatti, who coached two former #3 players, Ivan Ljubicic (currently in Federer's coaching team) and Milos Raonic

Working with:
- Celine Kern (born 1999, national rank.about #35) in Italy and Croatia; played about 25 futures every year
- Domagoj Biljesko (ATP #766); played at least 20 futures in the year
- Deni Zmak #1 ETA U16 ( ATP #800 before car accident); winner of University championship in the USA, member of Daytona University (USA) in 2013 in singles, doubles and team competition

2007-2011
Worked in Brescia, Italy, with younger generation to develop club and pro tennis

2003–2007
Coached in Vienna, Austria; worked with young professional players (Remko de Rijke #8 ITF and Ivan Galic) at his own academy

2004
Coach of Markus Kanellos (ATP #480)

1999–2003
Coach of Ivo Karlovic (climbed from no ATP ranking to #220 in 3 years)

1997-2002
Coach and manager of Ivan Vajda (ATP #220)

1997–1999
Coach of Oliver Gross (ATP #75)

1992-1999
Head coach at TC Holzkirchen (GER) and coach of Bayern Tennis Federation

1995-1997
Coach of Adolf Musil (ATP #180)

1988-1992
Tournament coach of Nikica Nadali and Goran Prpic (ATP top 20)

1985–1988
Coach of Nikica Nadali (Davis Cup coach from ex Yugoslavia)

2017
GPTCA A-Level International Coach

Academic

1981-1985
University of Sport Zagreb
 

Zoran Crnkovic

Email: zorancrnkovic@hotmail.com
Phone no.: : 003932062362658