Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Barry Hawkins of England competes during his quarterfinal match against Neil Robertson of Australia at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Barry Hawkins of England competes during his quarterfinal match against Neil Robertson of Australia at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia competes during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Barry Hawkins of England competes during his quarterfinal match against Neil Robertson of Australia at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)

Neil Robertson of Australia returns to the court during his quarterfinal match against Barry Hawkins of England at Snooker Masters 2019 at the Alexandra Palace in London, Britain on Jan. 18, 2019. Robertson won 6-3. (Xinhua/Tim Ireland)