Former world number one Angelique Kerber is going into her favourite tennis season – on grass – without any concrete goals in her first year on tour since returning from maternity leave. “I’m not putting any pressure on myself. I just want to play a lot of matches and get fit, I’m not looking at the ranking,” she said on Sunday ahead of the start of the German Open in Berlin. It took the 2018 Wimbledon winner “several months” to get back into her rhythm, she said and added that she practised on a carpet and trained twice on grass in Berlin before Tuesday’s match against Czech Republic Linda No…