Saarbrücken coach Rüdiger Ziehl is sure that the German Cup semi-final match between his team and Kaiserslautern will go ahead as planned on Tuesday and without issues with the pitch. “If it doesn’t get extreme, the pitch has a playable surface. I was surprised that the pitch was in good condition,” Ziehl said on Monday. Saarbrücken’s quarter-finals home match against Borussia Mönchengladbach, originally scheduled for February 7, was cancelled shortly before kick-off due to a water-logged pitch. The games was rescheduled for March 12 and the hosts won 2-1. The quality of the third division tea…