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

Book: 37 / 294

# move proof disproof
1 Ke8 1 37
2 Ng4 191 38
3 e6 1 38
4 e5 1 38
5 Nf5 1 38
6 Ke6 1 40
7 Kc6 1 40
8 g4 40 42
9 a6 1 43
10 c6 1 43
11 g6 1 43
12 Na6 1 43
13 Rg8 1 43
14 Qe8 1 43
15 Kd6 2 44
16 Nc6 1 44
17 c5 1 44
18 Bb7 1 45
19 a5 1 47
20 Ba6 1 49
21 Ng8 21 50
22 Nf7 23 51