Top-seeded Alexander Zverev of Germany beat Matteo Arnaldi of Italy 6-7 (5), 6-3, 6-2 on Thursday night in the third round of the National Bank Open.

Top-seeded Alexander Zverev of Germany beat Matteo Arnaldi of Italy 6-7 (5), 6-3, 6-2 on Thursday night in the third round of the National Bank Open to reach 500 match victories.