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

Book: ∞ / 0

# move proof disproof
1 Re7 0
2 c6 0
3 Rb8 0
4 Rc8 0
5 a6 0
6 Ra8 0
7 Nh7 0
8 g6 0
9 Rh8 0
10 Rd8 0
11 h5 0
12 a5 0
13 c5 0
14 g5 0
15 Nd7 0
16 Ng6 0