Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Nd7 0
3 Na6 0
4 a5 0
5 e6 0
6 h5 0
7 Kd8 0
8 Kf7 0
9 Bg7 0
10 a6 0
11 Kd7 0
12 f5 0