While the twice-banned Justin Gatlin headlined the men's line-up in the absence of Jamaican superstar Usain Bolt, the women's competition saw newly-crowned world champion Dafne Schippers see off the challenge of the 'grande dame' of the 200m, American Allyson Felix.
In the quarterfinals, sixth seed Prerna Bhambri, ranked 593 currently, played attacking tennis in the second and the thrid set to topple top seeded Ankita 4-6,6-2,6-3 in a match that lasted for two hours and 15 minutes.
Melnichenko amassed a total of 6,586 points, a personal best, while Theisen Eaton claimed silver with 6,530pts and was comforted by Eaton trackside.