Career
Němeček had some success as a junior in his native country. In 1989 New South Wales Open, Němeček was a quarter-finalist, securing wins over January Gunnarsson and then world number 51 Magnus Gustafsson. He also reached the round of 16 in Kitzbuhel that year.
The Czechoslovak was runner-up at the United States. Pro Tennis Championships in 1990, but the event was no longer part of the Association of Tennis Professionals Tour.
After making it through qualifying, Nemecek lost in the opening round of the 1990 Australian Open to Canadian Andrew Sznajder, in four sets. He made two further quarter-finals in his career, at Wellington in 1991 and Bordeaux in 1993.
Němeček is currently working as a tennis coach in Prague. Singles: (1).