If Madison Keys was not nervous enough about starting her Australian Open title defence, facing an unknown opponent only added to the tension. The 30-year-old American had a fairytale run in Melbourne 12 months ago, culminating in her lifting the first Grand Slam trophy of her career. However, she made an edgy start to her title defence on Tuesday, losing the first four games to Grand Slam debutant Oleksandra Oliynykova. Keys said afterwards she had struggled to find footage of her opponent to

Tag-uri: Australian Open