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

Book: ∞ / 0

# move proof disproof
1 Rg8 0
2 f6 0
3 e5 0
4 Bg7 0
5 g4 0
6 f5 0
7 e6 0
8 Bb7 0
9 Ke6 0
10 Rf8 0
11 Re8 0
12 Rd8 0
13 Ke8 0
14 Kd8 0
15 Kc7 0
16 Nf6 0
17 Nf8 0
18 c5 0
19 Bf8 0
20 Ra7 0
21 Kd6 0