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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Bb7 0
3 e6 0
4 Nh6 0
5 f6 0
6 h6 0
7 Rb7 0
8 c5 0
9 Ke6 0
10 Nf6 0
11 g4 0
12 f5 0
13 h5 0
14 e5 0
15 Ra7 0
16 Kd6 0
17 Kd8 0
18 Ke8 0