Vachier-Lagrave is one of the few elite grandmasters still trying to break the Berlin by playing the endgame. He is a player with well-defined convictions—for this reason his opening repertoire is predictable, but very well-studied.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. e1g1  4... f6e4  5. d2d4  5... e4d6  6. b5c6  6... d7c6  7. d4e5 