Clijsters, three times a champion at Flushing Meadows and with four Grand Slam singles titles to her name in all, is extremely happy despite the shock defeat.
Mats Wilander and fellow Eurosport expert Barbara Schett hail the Belgian, one of the most loved players to play on the women's circuit.
The Swede star then takes a look back at her glorious tennis career.
Enjoy highlights from her final singles match, which finished 7-6(4) 7-6(5), below (she is still in the doubles draw).
Robson, 18, says she had to focus on one game at a time on such an emotional occasion.