Swiss swimmers have failed to reach the finals during day two of the world short course swimming titles in Moscow.
Dominique Diezi swam below her personal best in both the women's 100m freestyle and 50m butterfly, placing 24th and 20th in respective heats.
Christoph Bühler and Karel Novy missed the quarterfinals of the men's 50 m freestyle sprint, while the Swiss men's 4 by 200m Relay team came in ninth during heats, missing a place in the final.
In the men's 400m medley Swiss Platel Yves placed 14th in his heats.
Switzerland's biggest medal hope, Tessin swimmer Flavia Rigamonti takes part in the 800m freestyle on Thursday, chasing her ninth major medal.
Alongside her will be Chantal Strasser, who like Rigamonti, has won European championship medals over this distance.
swissinfo with agencies