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

Book: 25 / 464

# move proof disproof
1 Ng4 323 25
2 f5 21 25
3 Nf5 1 25
4 Ba6 1 25
5 Bb7 1 25
6 e6 1 26
7 e5 1 26
8 Kc6 1 27
9 Ke6 1 27
10 Ke8 1 27
11 Kd6 1 42
12 Nf7 2 45
13 g6 1 45
14 Ng8 1 45
15 Rg8 1 45
16 Qe8 1 45
17 c6 24 47
18 a5 1 47
19 c5 1 47
20 Na6 1 47
21 Nc6 1 47
22 g5 41 48
23 a6 36 73