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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 c4 0
3 Kc6 0
4 e5 0
5 e6 0
6 Bb7 0
7 Ke6 0
8 Rg8 0
9 Ba6 0
10 Kd6 0
11 Nf8 0
12 Kc7 0
13 Bf8 0
14 Kd8 0
15 Ke8 0
16 Na6 0
17 Nc6 0
18 g4 0
19 a6 0
20 Nf6 0
21 Re8 0
22 Rd8 0
23 Rf8 0
24 a5 0