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

Book: 44 / 208

# move proof disproof
1 Nf5 90 44
2 Ng4 79 44
3 Kc6 1 45
4 Ke6 1 45
5 Ke8 1 45
6 g4 20 46
7 Bb7 1 47
8 g6 1 48
9 Nf7 1 48
10 Ng8 1 48
11 Nc6 1 48
12 Rg8 1 48
13 Qe8 1 48
14 e5 1 49
15 Kd6 1 49
16 a5 1 49
17 c5 1 49
18 Na6 1 49
19 e6 1 51
20 Ba6 1 52
21 c6 1 67
22 a6 1 87