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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Kc6 0
3 Bh6 0
4 Kd6 0
5 Ke6 0
6 Ra7 0
7 Nb7 0
8 h6 0
9 Ke8 0
10 Nbc6 0
11 Ndc6 0
12 Nf7 0
13 e5 0
14 Rg8 0
15 g4 0
16 Bb7 0
17 Ne6 0
18 Bg7 0
19 e6 0
20 c6 0
21 c5 0