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

Book: 51 / 180

# move proof disproof
1 Ng8 21 51
2 Nf7 25 53
3 a6 20 53
4 g5 4 53
5 f5 1 53
6 c5 1 53
7 Ng4 48 54
8 Kc6 1 54
9 Nf5 1 54
10 Kd6 1 54
11 a5 1 54
12 Na6 1 54
13 Nc6 1 54
14 Ke8 1 55
15 Ke6 1 55
16 Ba6 1 55
17 e5 1 56
18 e6 1 56
19 Qe8 1 70
20 g6 1 70
21 Bb7 1 74
22 Rg8 22 76
23 c6 24 196