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

Book: 28 / 270

# move proof disproof
1 Nf5 146 28
2 Ng4 60 28
3 f5 1 28
4 Ke8 1 28
5 Ke6 1 28
6 Kd6 1 28
7 Kc6 1 28
8 Qe8 1 28
9 Rg8 1 28
10 Bb7 1 28
11 Ba6 1 28
12 Nc6 1 28
13 Na6 1 28
14 Ng8 1 28
15 Nf7 1 28
16 g5 1 28
17 a5 1 28
18 g6 1 28
19 e6 1 28
20 e5 1 29
21 c5 1 52
22 c6 24 303
23 a6 21 325