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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Rh8 0
3 Ra8 0
4 Rc8 0
5 e6 0
6 c6 0
7 h5 0
8 Nh7 0
9 g6 0
10 e5 0
11 g5 0
12 Ne6 0
13 c5 0
14 Ng6 0
15 a5 0
16 Nd7 0
17 Rd8 0
18 Rb8 0