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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Nf6 0
3 d6 0
4 Ba6 0
5 Bb7 0
6 h5 0
7 Kd8 0
8 Kf7 0
9 Rh7 0
10 a6 0
11 Bg7 0
12 e6 0
13 e5 0
14 a5 0
15 Rb8 0