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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Rf8 0
3 c5 0
4 Rec8 0
5 Rac8 0
6 Nf8 0
7 Ng5 0
8 g6 0
9 h4 0
10 Ra7 0
11 Rg8 0
12 Rh8 0
13 e6 0
14 Nf6 0
15 a5 0
16 Red8 0
17 Rad8 0
18 c6 0
19 Rab8 0
20 Reb8 0