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

Book: 53 / 162

# move proof disproof
1 Nf7 24 53
2 Kc6 2 53
3 Ke8 2 53
4 f5 1 53
5 e5 1 53
6 e6 1 53
7 Ng4 73 54
8 Nf5 1 54
9 c5 1 54
10 Ke6 1 54
11 Qe8 1 70
12 Rg8 1 70
13 g6 1 70
14 Bb7 1 72
15 Ba6 1 73
16 Na6 1 74
17 g5 22 75
18 a5 1 75
19 Nc6 1 75
20 Kd6 1 76
21 Ng8 21 77
22 c6 1 120
23 a6 2 1783