Second-ranked Jannik Sinner overwhelmed his first opponent at the Erste Bank Open at Vienna, Austria, on Wednesday, defeating German Daniel Altmaier 6-0, 6-2 in just 58 minutes.

The Italian, seeded first, extended his indoor-hard-court winning streak to 17 matches by scoring five aces and 18 winners, avoiding having to face a single break point.

Sinner will face fellow Italian Flavio Cobolli in the next round, as ATP’s No. 22 defeated Czech Republic’s Tomas Machac 7-6 (6), 6-2. And the Italians made it 3-for-3 at the event, as Matteo Berrettini downed Australia’s Alexei Popyrin 7-6 (5), 6-3.

Other Wednesday winners included France’s Corentin Moutet, Aniil Medvedev, Netherlands’ Tallon Griekspoor and Australia’s Alex De Minaur.

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