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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 Qd8 0
3 e5 0
4 d6 0
5 Qg6 0
6 Ng4 0
7 Qh5 0
8 Rb8 0
9 d5 0
10 Qf7 0
11 Rg8 0
12 Ra7 0
13 Bg7 0
14 Nf5 0
15 Nf7 0
16 Ng8 0
17 g4 0
18 Bb7 0