In an essay released by Vogue magazine, Serena has said she was 'evolving away from tennis'.
The 23-year-old asking the federation to instead invest the money in promoting tennis at the grassroots-level in the country.
Sharapova announced the birth of her first child Theodore on Friday on social media.
The Serb beat the Australian in four sets, 4-6 6-3 6-4 7-6(3), to emerge the champion.
The big-serving 23-year-old, who was born in Moscow and reportedly still lives there, switched allegiance to Kazakhstan four years ago to gain more financial support.
The Kazakh claimed her maiden Grand Slam title with a 3-6, 6-2, 6-2 win over the Tunisian.
The top seed overwhelmed Britain's Cameron Norrie 2-6 6-3 6-2 6-4 in the second semifinal.
The Spaniard was injured during the quarterfinal match against Taylor Fritz.
Rybakina, the first Kazakh to enter a Grand Slam final, upset Simona Halep in the second semifinal.
Sania had earlier announced that she would hang up her racquet at the end of this season.