In the latest Badminton World Federation (BWF) ranking list released today, Saina dropped to No.2 spot in women's singles with 81782 points, 1630 points behind Marin, who reached the semifinals at Odense last week.
After her World Championship final loss to Marin, Saina made second round exits in the next two tournaments -- Japan and Denmark -- following her straight game defeats against Japan's Minatsu Mitani.
In men's singles, Kidambi Srikanth, Parupalli Kashyap and H S Prannoy slipped down the rankings chart. While Srikanth lost a spot to be sixth, Commonwealth Games champion Kashyap slumped to No.10 from No. 8.
Indonesia Masters winner Prannoy, who defeated two-time Olympic and five-time World Champion Lin Dan of China in the first round of French Open in Paris yesterday, lost a position to be No.17 but Ajay Jayaram climbed a place to be ranked World No.25.