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

Book: 51 / 182

# move proof disproof
1 g5 3 51
2 Kc6 1 51
3 Bb7 1 51
4 Ng4 50 52
5 Rg8 22 52
6 Ke6 1 52
7 Ng8 21 53
8 Nf5 1 53
9 Ke8 1 53
10 c5 1 53
11 Nf7 25 54
12 f5 1 54
13 a5 1 54
14 Nc6 1 54
15 e6 1 55
16 e5 1 55
17 Na6 1 55
18 Ba6 1 56
19 Kd6 1 57
20 Qe8 1 69
21 g6 1 69
22 a6 21 102
23 c6 24 190