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

Book: 55 / 240

# move proof disproof
1 g5 3 55
2 f5 2 55
3 Ba6 1 55
4 Ke6 1 55
5 Ke8 1 55
6 Kc6 1 55
7 Nf5 1 55
8 Bb7 1 55
9 Ng4 164 56
10 a6 3 56
11 c6 3 56
12 Rg8 3 56
13 Kd6 2 56
14 Ng8 21 57
15 Nf7 25 58
16 a5 1 58
17 c5 1 58
18 Na6 1 58
19 Nc6 1 58
20 e5 1 60
21 e6 1 60
22 Qe8 1 79
23 g6 1 79