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

Book: 43 / 256

# move proof disproof
1 Ng4 126 43
2 Ke6 1 43
3 Nf5 1 43
4 Ke8 1 44
5 Kc6 1 44
6 g6 1 45
7 Rg8 1 45
8 Qe8 1 45
9 Kd6 2 46
10 g4 40 47
11 Bb7 1 47
12 Ba6 1 48
13 a6 1 48
14 e6 1 48
15 a5 1 48
16 c5 1 48
17 e5 1 48
18 Na6 1 48
19 Nc6 1 48
20 Ng8 21 52
21 Nf7 23 53
22 c6 28 241