The aim of this study was to investigate the effect of mindfulness techniques training on sport
performance among tennis players. The population of this research was the all adult table tennis
players of East Azarbaijan Province who play in professional league or first division. Among them, 40
athletes were selected by available sampling method. Twenty athletes (M=25/95 years old, SD=6/02)
were replaced by random to the control group and 20 athletes (M=24/45 years old, SD=7/7) in the
experimental group. Data were gathered using Mindfulness Awareness Assessment Scale (MAAS) and
for sport performance, total scores of 5 games by maximum 11 scores in each game were used. Data were
analyzed with ANCOVA. Results showed that mindfulness training has increased significantly (F=22.20;
p