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

Book: 41 / 208

# move proof disproof
1 Ke6 7 41
2 Ke8 5 41
3 c6 2 41
4 f5 1 41
5 Nc6 1 41
6 c5 44 42
7 Na6 9 42
8 e6 5 42
9 Nf5 12 44
10 Bb7 4 44
11 Rg8 2 44
12 Qe8 3 46
13 Ba6 2 46
14 Ng4 26 47
15 a6 2 47
16 Ng8 30 48
17 Kd6 4 48
18 Nf7 33 49
19 a5 6 49
20 e5 5 49
21 g5 1 49
22 g6 1 49
23 Kc6 3 51