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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 Rec8 0
3 Rg8 0
4 Rh8 0
5 c5 0
6 h4 0
7 a6 0
8 Nf6 0
9 g5 0
10 g6 0
11 a5 0
12 Rad8 0
13 Red8 0
14 Rf8 0
15 Ng5 0
16 Nf8 0
17 Reb8 0
18 Rab8 0
19 c6 0
20 Rac8 0