Argentina's Gabriel Copola (bottom) returns the ball to India's Trivendra Singh during their men's singles match at the International Paralympic Copa Costa Rica in San Jose August 11, 2010. 17 countries, members
ITTF releases recommendations to return to regular activities - ITTF Foundation
Table tennis rules: Everything you need to know
The new table tennis rules of the ITTF (Part 1) | strange-laws.net
The basic rules of Table Tennis - the aim of the game is simple