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

Book: 49 / 284

# move proof disproof
1 a6 20 49
2 g5 3 49
3 Kd6 2 49
4 Nf5 1 49
5 Ng4 174 50
6 c6 23 50
7 f5 1 50
8 Nf7 25 51
9 Kc6 1 51
10 Ke6 1 51
11 Ke8 1 51
12 a5 1 51
13 c5 1 51
14 Na6 1 51
15 Nc6 1 51
16 e5 1 53
17 e6 1 53
18 Ba6 1 53
19 Qe8 1 69
20 g6 1 69
21 Bb7 1 70
22 Rg8 22 72
23 Ng8 0 ∞