Feng becomes the second American male knocked out of the tournament today .
American Feng Yijun fell to Spaniard He Zhiwen 4 games to 2 Saturday afternoon in the first round of the men 's table tennis singles tournament in the Riocentro .
American Feng Yijun becomes the second American male knocked out of the tournament today .
American Feng Yijun fell to Spaniard He Zhiwen 4 games to 2 Saturday afternoon in the first round of the men 's table tennis singles tournament in the Riocentro .