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

Book: 24 / 478

# move proof disproof
1 Nf5 1 24
2 g5 1 24
3 e5 1 24
4 a5 1 24
5 g6 1 24
6 e6 1 24
7 a6 1 24
8 f5 1 24
9 Ng4 322 25
10 Qe8 26 25
11 Rg8 22 25
12 Bb7 1 26
13 Kd6 1 26
14 Kc6 1 27
15 Ke6 1 27
16 Ke8 1 27
17 Ba6 1 45
18 Na6 1 46
19 c5 1 46
20 Nc6 1 47
21 Nf7 25 49
22 Ng8 21 49
23 c6 45 107