The German is pleased that the trial that began in July is now a full-time arrangement.
"I really didn't felt quite prepared," former world No. 1 said.
World No. 1 Ash Barty skipped New York, but will be back in Paris to defend her crown.
The Czech suffered a tough loss on Day 3 in New York, but scored some big hits in press.
They are suite neighbors at the US Open and each has a lot of respect for the other.
The Argentinean is angry that the tournament didn't try to do more to help him out of a tough situation.
Benoit Paire isn't playing the US Open, but he's emerged as one of the biggest stories.
