The Belgian is emerging from months of struggle against a debilitating virus.
The country's newspapers hailed the French Open final between Justine Henin-Hardenne and Kim Clijsters as a "new day for Belgian sport".
A super-charged Justine Henin-Hardenne crushed Mary Pierce 6-1 6-1 to win the French Open crown for the second time on Saturday.
Justine Henin-Hardenne crushed Nadia Petrova 6-2, 6-3 in the semi-final
Justine Henin-Hardenne soaked up the full force of Svetlana Kuznetsova's armoury to stay in the hunt for a second French Open crown.
Justine Henin-Hardenne fought from a match point down to beat Svetlana Kuznetsova and set up a clash with Maria Sharapova
Justine Henin-Hardenne returns to the court where she won her first grand slam on Monday.
The Belgian took two hours 28 minutes to beat 16-year-old Tamira Paszek 4-6, 7-5, 6-1 at the Dubai Open.
The former world number one got past tough Czech and Russian opponents in the first and second rounds of the German Open claycourt tournament.
The Belgian claimed her second successive claycourt title when she beat Russian Svetlana Kuznetsova in the final of the Warsaw WTA event.
The Belgian was beaten by Russia's Svetlana Kuznetsova in the semi-finals of the Warsaw WTA claycourt event.
The Belgian won 7-6, 6-3 to earn a meeting with Russian second seed Svetlana Kuznetsova in the semi-finals of the WTA event in Warsaw.
After injuries, illness and doubts they would ever return to top level tennis, Henin-Hardene and Clijsters are back upto speed.
The Belgian defeated Russian Elena Dementieva 7-5, 6-4 to win the Family Circle Cup for a second time.
Former world No. 1 Justine Henin-Hardenne beat Tatiana Golovin while Dementieva beat Patty Schnyder.
The former world number one has indicated she intends, if picked for the team, to represent the U.S. at the Athens Olympics in August.
American brothers Bob and Mike Bryan were named ITF men's doubles champions.
"I want now to win tournaments I never won before," said the Belgian.
Belgium's Justine Henin- Hardenne secured the year-end number one ranking in resounding fashion on Friday.
The 22-year-old Moscovite beat Amelie Mauresmo in the final.
The Belgian former world number one takes a break from tennis to recover from fatigue.
The US Open champion said the only secret of her success is hard work.
Clijsters also said she considered Serena Williams and her sister Venus Williams as among her best friends.
The defending champion was given a scare by 15-year-old Czech Nicole Vaidisova before claiming her place in the U.S. Open second round.
Revenge will again be in the air when the top seed meets Henin in a semi-final grudge rematch on Thursday.