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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Rg8 0
3 Ng8 0
4 Nf7 0
5 Ng4 0
6 Ra7 0
7 g6 0
8 Nf5 0
9 d6 0
10 Qh5 0
11 Qd8 0
12 Qg6 0
13 d5 0
14 Qf7 0
15 Bb7 0
16 e5 0
17 e6 0
18 Rb8 0