Top seed Zhang Yining of China made short work of North Korea's Kim Hyang-Mi as she wrapped up gold in the table tennis women's singles on Sunday.
The 22-year-old came through 11-8 11-7 11-2 11-2 to claim her second gold in Athens, following the doubles victory with Wang Nan on Friday.
South Korea's Kim Kyung-Ah defeated sixth seed Singaporean Li Ji Wei for the bronze medal.
Kim Kyung-Ah, who lost to Zhang in the semis, won 9-11 11-8 11-7 11-5 11-8.
"It's not easy to win a gold medal," said Zhang.
"Winning exacts a high price physically and mentally. It was a mental battle with myself.
"I was worried if I thought too much about the gold it would be counter-productive."
In the men's semi-finals, Ryu Seung Min finally ended Swedish legend Jan-Ove Waldner's superb run.
The South Korean was in blistering form as he came through 11-9 9-11 11-9 11-5 11-5 against the 38-year-old former world and Olympic champion.
China's Wang Hao pulled off an upset as he beat top seed Wang Liqin 11-8 11-5 6-11 11-9 11-3 in the other semi.
Hao recovered his composure after dropping the third game to see off his compatriot and reach the final.
Chinese world number one Liqin saw his hopes of defending his Olympic title crushed.
Ryu, meanwhile, will be aiming to emulate the feat of Korea's only table tennis gold medallist, Yoo Nam-Kyu, who won the men's singles in front of a home crowd when the sport made its debut in Seoul.