Victoria Azarenka defeated Clara Burel and advanced to the quarterfinals of the Brisbane International, where she faced third seed Jelena Ostapenko. During the match, Ostapenko accused umpire Duncan Fisher of being 'blind' and stated she never wanted him to officiate her matches again, following a disputed point. Despite this incident, Azarenka won against Ostapenko 6-3, 3-6, 7-5. In the men's draw, 2017 champion Grigor Dimitrov also advanced to the quarterfinals. In another match, second seed Elena Rybakina progressed after her opponent, Anastasia Potapova, retired due to injury.