Nalbandian defeats Robredo at Monte-Carlo

Question

David Nalbandian has defeated 12th seed Tommy Robredo in the third round of the Monte-Carlo Rolex Masters. The Argentinian won the match 6-3, 6-4.

Answer 1

Did Nalbandian hit any ace on his service in the 2nd set, 6th service game?
In the official scoreboard website http://www.protennislive.com says, there wasn't any ace in the Robredo-Nalbandian match, but a sports betting website's helpdesk operator says: yes, Nalbandian serviced an ace in the 2nd set, 6th service game.
What was the reality?

Answer 2

Nalbandian capitalised on all three of the break point chances he created, and saved six of the seven break point chances Robredo created on his serve.