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Bionic Poster
Berdman and Tsonga did both win Paris. Jo beat Nalbandian and Berdych beat Ljubicic IIRC.
Paris was always a bit weaker as a masters tourney but still.
I think it has the most 1 time winners of any of them. Of the 21 players who won there since 1990, 17 were, or are so far, 1 time champions. The only 4 to win multiple titles in Bercy in that time are Agassi, Sampras, Safin and Djokovic.