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

Book: ∞ / 0

# move proof disproof
1 Rb6 0
2 a6 0
3 Rd6 0
4 a5 0
5 Na6 0
6 Nd7 0
7 Bg7 0
8 Rf6 0
9 Rc6 0
10 e5 0
11 Rg6 0
12 Ra6 0
13 Re6 0
14 Rh7 0
15 Rh8 0
16 e6 0
17 c6 0
18 Nf6 0
19 Nc6 0