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

Book: 39 / 238

# move proof disproof
1 Ke8 1 39
2 Ng4 172 40
3 Ke6 1 40
4 Kc6 1 40
5 a6 4 41
6 Nf5 1 41
7 Na6 1 41
8 Ba6 1 43
9 g4 40 44
10 c6 1 50
11 g6 1 50
12 Rg8 1 50
13 Qe8 1 50
14 Nf7 2 51
15 Ng8 2 51
16 Kd6 2 52
17 Bb7 1 56
18 a5 1 59
19 c5 1 59
20 Nc6 1 59
21 e5 1 61
22 e6 1 61