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

Book: 57 / 182

# move proof disproof
1 c6 24 57
2 b6 21 57
3 Rb8 20 57
4 f6 19 57
5 c5 4 57
6 Nc5 2 57
7 g4 2 57
8 Nb4 37 58
9 d5 1 58
10 h5 1 72
11 Nh6 1 72
12 d6 1 73
13 f5 1 73
14 e5 2 74
15 Bh6 1 74
16 b5 1 74
17 Nb8 21 75
18 e6 2 75
19 Bg7 1 76
20 Nf6 1 77
21 h6 19 79