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 Ke6 0
4 f6 0
5 e6 0
6 a6 0
7 c5 0
8 Ba6 0
9 Nf6 0
10 e5 0
11 g4 0
12 Ke8 0
13 Kd8 0
14 Kd6 0
15 Kc7 0
16 f5 0
17 Bg7 0
18 Na6 0
19 Bh6 0
20 a5 0