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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 Rg8 0
3 a5 0
4 g4 0
5 c5 0
6 Bg7 0
7 Kc6 0
8 Ke8 0
9 e6 0
10 Ke6 0
11 Na6 0
12 Rh7 0
13 Ne6 0
14 Nb7 0
15 Ba6 0
16 Kd6 0
17 c6 0
18 Ndc6 0
19 Nf7 0
20 Nbc6 0
21 a6 0