TRAMLINES

■ The racquet had it coming. It had beenannoyinghimforsometimeand deserved it, according to Alexander Zverev. So the 19-year-old German smashed it twice at the start of the fourth set against Robin Haase. It worked. The cathartic release ended a flurry of unforced errors and enabled him to fight back and advance to the secondroundwitha6-23-65-76-362win."ithinklettingmyfrustrationout in the beginning of the fourth helped me a little bit," Zverev told reporters. "Sometimes you just have to let go."

■ Since reaching the Australian Open semi-finals in 2011, Caroline Wozniacki had fallen one round earlier in each subsequent visit — which meant her journey to this season's opening grand slam was full of trepidation. "According to my trend, I should have been in the third-round quallies (this year),” she said. “Thankfully that did not happen.”