Britain's Heather Watson is into the second round of the Australian Open after an impressive 7-6(4) 7-6(3) win over Kristyna Pliskova.
Having gone through hard quarantine and losing eight out of her last nine matches on tour, the 28-year-old is through and will face either Anett Kontaveit or Aliaksandra Sasnovich.
Watson was playing some of her best tennis in a repeat of last year's first round contest and took Pliskova to a first-set tie-break.
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She won the breaker 7-4 as the Czech hit into the net to put the Brit ahead after 48 minutes of action on Court 10.
The second set looked to be Pliskova's when she was on the brink of a 4-1 lead, but she produced a poor backhand into the net to put the set back on serve at 3-2.
Both player continued to trade blows from the baseline, but it would have to be decided again by another tense tie-break which Watson emerged victorious from as she won the last four points.
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Watson fights hard but falls short against Kontaveit
US Open women
Konta cruises through after tough opening set against Watson