Cameroon were held to a goalless draw by Russia as both sides fielded weakened teams in an international friendly in the Austrian city of Salzburg.
Russia dominated the match but it was Cameroon who came closest to scoring.
Defender Aurelien Chedjou's attempted header hit the post after 79 minutes with goalkeeper Vyacheslav Malafeev beaten.
Striker Pavel Pogrebnyak failed to give Russia an early lead as goalkeeper Guy N'dy Assembe pushed his low shot wide.
Russia coach Dick Advocaat left Tottenham forward Roman Pavlyuchenko, who scored a hat trick in the 3-1 win over Armenia on Saturday, on the bench while Cameroon were without recent injury victim Alex Song.
A sparse crowd watched a lacklustre match which was delayed near the final whistle by a handful of pitch invaders.
The Indomitable Lions have now failed to score in their last three games, despite boasting one of the world's best centre-forwards in the shape of Samuel Eto'o.
The goalless draw with Russia follows on from a similar result at home to Senegal on Saturday.
Failure to beat the Teranga Lions in a crucial 2012 Africa Cup of Nations qualifier prompted rioting in Yaounde as disgruntled fans vented their fury.
The four-time African champions are in danger of failing to qualify for next year's finals in Equatorial Guinea and Gabon, trailing Group E leaders Senegal by five points with just two games left.