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

Book: ∞ / 0

# move proof disproof
1 Rad8 0
2 Red8 0
3 g4 0
4 h4 0
5 Rh8 0
6 Rec8 0
7 e6 0
8 Rf8 0
9 Reb8 0
10 Rab8 0
11 e5 0
12 a6 0
13 a5 0
14 Rac8 0
15 Nf8 0
16 Nf6 0
17 c6 0
18 c5 0
19 Rg8 0