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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Rg8 0
3 Ne5 0
4 Nf6 0
5 a6 0
6 a5 0
7 h5 0
8 g6 0
9 c6 0
10 f6 0
11 g5 0
12 Nb6 0
13 Nc5 0
14 Ba6 0
15 Nb8 0
16 f5 0
17 Rb8 0
18 e5 0
19 e6 0
20 c5 0
21 Bb7 0