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

Book: 50 / 289

# move proof disproof
1 Ng8 21 50
2 a5 1 50
3 c5 1 50
4 Na6 1 50
5 Nc6 1 50
6 f5 1 50
7 Ng4 157 51
8 Nf7 25 51
9 c6 23 51
10 Rg8 22 51
11 a6 20 51
12 g5 3 51
13 Nf5 2 51
14 Ba6 1 51
15 Ke6 1 51
16 Ke8 1 52
17 Kc6 1 52
18 e5 1 52
19 e6 1 52
20 Kd6 2 68
21 Qe8 1 69
22 g6 1 69
23 Bb7 1 72