Ernests Gulbis won a tournament this weekend in Palm Beach Florida. This should move him up in the ATP rankings, and give him the recognition he is due.
Way to go!

The expectations are this will take him from No.72
to top 40.
Was this tournament win the first?

Yes, this was his first tournament win. He is moving from 72 to 45 according to The Guardian. He was once as high as 38 seed.
From The Guardian: “Ernests Gulbis became a little less of an enigma yesterday when he finally won his first tournament, defeating the 6-foot-10 serving machine from Croatia, Ivo Karlovic, 6-2, 6-3 at the ATP event in Delray Beach, Florida.”

What is ATP?

Association of Tennis Professionals

Adenosine triphosphate