ATP Metz: Struff fails, Kohlschreiber continues, Rune unpacks the "glasses"

For Jan-Lennard Struff , the ATP 250 event in Metz surprisingly ended in round one on Tuesday, but his compatriot Philipp Kohlschreiber fared much better. And Holger Rune ? Bernabe Zapata Miralles was awarded the maximum penalty in round one.