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

Book: 51 / 227

# move proof disproof
1 Ng8 20 51
2 g5 3 51
3 Ba6 1 51
4 Ng4 58 52
5 Nf7 25 52
6 Nf5 1 52
7 Ke6 1 52
8 Kc6 1 53
9 Ke8 1 53
10 Bb7 1 53
11 f5 1 54
12 e6 1 54
13 e5 1 54
14 Na6 1 54
15 a5 1 54
16 c5 1 54
17 Nc6 1 55
18 Kd6 1 56
19 Qe8 1 71
20 g6 1 71
21 Rg8 22 76
22 c6 44 205
23 a6 39 242