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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Nf8 0
3 Nf6 0
4 e5 0
5 e6 0
6 Bb7 0
7 Rf8 0
8 Ke8 0
9 c6 0
10 g4 0
11 c5 0
12 Rb8 0
13 f5 0
14 Kd6 0
15 Ke6 0
16 Rg8 0
17 Kc6 0
18 Qe8 0
19 Ra7 0
20 Qf8 0
21 Qg8 0
22 f6 0