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

Book: ∞ / 0

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