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

Book: ∞ / 0

# move proof disproof
1 Ra7 0
2 Rg8 0
3 Re8 0
4 Rd8 0
5 Ng8 0
6 g6 0
7 g5 0
8 e5 0
9 d6 0
10 Ng4 0
11 Rf8 0
12 Nf5 0
13 Nf7 0
14 Rb8 0
15 d5 0
16 Bb7 0