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

Book: 36 / 393

# move proof disproof
1 Ke6 1 36
2 Qe8 1 48
3 g6 1 48
4 Bb7 1 50
5 Ng8 21 51
6 Ba6 1 51
7 Nf7 25 52
8 f5 1 52
9 Na6 1 52
10 c5 1 52
11 a5 1 53
12 Nc6 1 53
13 e5 1 54
14 e6 1 54
15 Ng4 74 72
16 Rg8 61 105
17 g5 66 109
18 c6 24 136
19 a6 47 225
20 Ke8 21 554
21 Nf5 27 559
22 Kc6 10 893
23 Kd6 5 1114