Here is how I changed the EU server to Asia . The red letters was "Europe; eu" - change them with the letters of the server that you want to play and have fun ;)
<scripts_config.xml checkPing="true" debugInfo="true"> <space>spaces/ocean</space> <offlineModel>PASD010_Fletcher_1942</offlineModel> <player entityType="Avatar" startDirection="1.0 0.0 0.0" startPosition="0.0 0.0 -313.0"/> <cursorScaleSpeed x="40" y="40"/> <server online="true"> <host alias="WOWS Asia" csis="http://csis.worldoftanks.eu/csis/wowsjp"> <master addr="login2.worldofwarships.jp:20020"/> <master addr="login1.worldofwarships.jp:20020"/> </host> </server> <chat visibleLines="6"/> <writeCombatLog>true</writeCombatLog> <Dock3D>true</Dock3D> <CurseVoice>true</CurseVoice> <scriptProfiler address="0.0.0.0" enabled="true" netSend="false" port="6666"/> <GameParams packed="true"/> <disableTrainingRoom>true</disableTrainingRoom></scripts_config.xml>