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

Book: 155 / 1948

# move proof disproof
1 Ba6 1656 155
2 Ng4 188 161
3 a6 73 161
4 Nb8 4 161
5 a5 2 162
6 Nb6 2 163
7 Nf6 2 163
8 f5 1 164
9 Nc5 4 165
10 Rg8 1 165
11 f6 1 165
12 Rb8 1 165
13 e6 1 166
14 e5 1 166
15 c5 1 167
16 Nf5 3 168
17 Ng8 1 168
18 Ne5 2 169
19 Bb7 1 169
20 g6 1 171
21 c6 1 173
22 g5 1 175