Best response to the French Defense: Advance Variation (C02)

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 · White to move

What is the best response to the French Defense: Advance Variation (1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6)? White to move. See the top replies ranked by opening theory and real-game results, starting with Be3.

The main theoretical reply is Be3, reaching the French Defense: Advance Variation, Kupreichik Variation.