Janice Tjen upset pre-match favourite Leylah Fernandez 6–2, 7–6 in the first round of the Australian Open on hard court on 20 January 2026. Tjen, priced at 3.25 against Fernandez's 1.34 odds, controlled the opening set with a decisive margin before pushing the second to a tiebreak, where she secured the win. The result marks a notable upset and sends Tjen into the second round while Fernandez's campaign at the year's first Grand Slam ends in the opening round.