Conversation so far:
Can you provide me with information on World No.
! and Grand Slam history?
Safin held the No.
1 ATP ranking for 9 weeks during 2000 .
Are there any other interesting aspects about this article?
he won his first Grand Slam tournament at the US Open, becoming the only Russian in history to win this tournament in the men's singles draw.
Did he celebrate after he won the tournament?
CANNOTANSWER.

Question: What happened after he won the tournament?
Self-contained rewrite: What happened after Marat Safin won the Grand Slam tournament?