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

Book: ∞ / 0

# move proof disproof
1 Qb6 0
2 e6 0
3 e5 0
4 Nf6 0
5 Bb7 0
6 Qe8 0
7 Qc7 0
8 Ba6 0
9 d5 0
10 d6 0
11 Ra7 0
12 Ra6 0
13 g6 0
14 Kg6 0
15 Kh5 0
16 Kg5 0
17 Rb8 0
18 g5 0