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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 d6 0
3 Ba6 0
4 h6 0
5 Rg8 0
6 Rb8 0
7 Kf8 0
8 Kd8 0
9 Kf7 0
10 Ke7 0
11 Rf8 0
12 g6 0
13 g5 0
14 Bb7 0
15 h5 0
16 a6 0