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

Book: 34 / 296

# move proof disproof
1 c5 128 34
2 Ng4 61 34
3 e5 42 34
4 Nf7 25 34
5 Ng8 21 34
6 Nf5 2 34
7 a5 1 34
8 Ke8 1 34
9 Ke6 1 34
10 Kc6 1 34
11 g6 1 55
12 g5 1 55
13 Rg8 1 55
14 Qe8 1 55
15 e6 1 56
16 Na6 1 56
17 Kd6 1 57
18 Bb7 1 57
19 f5 1 58
20 a6 1 60
21 c6 1 60
22 Ba6 1 60
23 Nc6 1 62