Amanda Anisimova defeated Lulu Sun 6–4, 7–6 in the first round of the WTA 1000 event in Montreal on hard court. As the clear pre-match favourite with odds of 1.23, Anisimova delivered as expected against Sun, who entered at 4.62. The American secured the opening set convincingly before Sun mounted a competitive challenge in the second, forcing a tie-break that Anisimova ultimately controlled. The straight-sets victory marks a solid start to Anisimova's campaign at the Canadian Masters and maintains her momentum heading into the round of 32.