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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 g4 0
3 Nf6 0
4 Rf8 0
5 Rg8 0
6 Nc6 0
7 c6 0
8 Rd8 0
9 Re8 0
10 Ra7 0
11 Nf8 0
12 Kd8 0
13 Bb7 0
14 Bf8 0
15 Kd6 0
16 Kc6 0
17 Ke8 0
18 Ke6 0
19 Bg7 0
20 e6 0
21 e5 0