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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 h5 0
3 Re8 0
4 Rc8 0
5 Rh8 0
6 e6 0
7 Rb8 0
8 g5 0
9 Rd8 0
10 a5 0
11 Ne6 0
12 c5 0
13 Ng6 0
14 Nd7 0
15 e5 0
16 g6 0
17 Nh7 0