Gilles Simon in Heilbronn: farewell in relaxation mode

Gilles Simon is at peace with himself. You could get this impression at the NECKARCUP in Heilbronn. The 37-year-old Frenchman made a guest appearance at the award-winning ATP Challenger tournament this week, a few days after announcing he was retiring his impressive tennis career for the season finale after a good 20 years on the Tour circuit .