Hanfmann in an interview: "This is not a sure-fire success for Thiem and Wawrinka either"

ForYannick Hanfmann , the ATP Challenger tournament in Marbella is about important points and a lot of self-confidence for the coming weeks. In an exclusive interview with tennisnet.com, the 30-year-old talks about the comebacks of Dominic Thiem and Stan Wawrinka , his season so far and Alexander Zverev 's dropout.