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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 Rb8 0
3 Ng4 0
4 f6 0
5 g5 0
6 e6 0
7 g6 0
8 Rg8 0
9 e5 0
10 f5 0
11 Nb8 0
12 Nf6 0
13 a5 0
14 Ne5 0
15 Nb6 0
16 Nf5 0
17 Ba6 0
18 Kd8 0
19 Ng8 0
20 a6 0