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

Book: 54 / 146

# move proof disproof
1 Ng4 60 54
2 Nf7 23 54
3 Ng8 20 54
4 Ba6 1 54
5 f5 1 54
6 Nc6 1 54
7 c5 1 54
8 e6 1 54
9 Kc6 2 55
10 Nf5 1 55
11 Ke8 2 56
12 Ke6 1 56
13 e5 1 57
14 Qe8 1 70
15 Rg8 1 70
16 Na6 1 70
17 a5 1 70
18 g6 1 70
19 c6 1 70
20 a6 1 70
21 g5 22 73
22 Bb7 1 73
23 Kd6 1 75