Yokohama F. Marinos manager Takeshi Okada insists the absence of first-choice strikers Tatsuhiko Kubo and Ahn Jung Hwan has not affected his preparations for this weekend's J. League Championship final.

First-stage winner and defending J. League champion Yokohama is in the midst of an injury crisis ahead of the two-leg championship final kicking off against the Urawa Reds at International Stadium Yokohama on Sunday.

Japan international Kubo has been suffering from a niggling lower back problem, while South Korea striker Ahn fractured a bone in his right ankle in a World Cup qualifying match last month and also misses out.