Keystone
Last year's winner Madison Keys struggles in her first appearance at this year's Australian Open, but still reaches the 2nd round.
Madison Keys was trailing 0:4 against Ukraine's Alexandra Olinikova before she prevailed 7:6 (8:6), 6:1 after exactly 100 minutes. In the tiebreak, the world number nine from the USA had to overcome another tricky moment against the number 92 in the rankings. She won the short decider after fending off two set points.