Gael Monfils Announces Retirement Plans After US Open Exit

• Gael Monfils, a tennis player, has announced his retirement plans.
• The announcement came after Monfils' exit from the US Open.
• The retirement plans were unexpected by tennis fans.
• The source of the announcement was reported by multiple outlets, including Field Level Media and the New York Post.
• No specific date for the retirement has been provided.