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

Book: ∞ / 0

# move proof disproof
1 Rg7 0
2 h5 0
3 Rh8 0
4 c5 0
5 e5 0
6 e6 0
7 c6 0
8 a6 0
9 Rc8 0
10 Rb8 0
11 g5 0
12 Nd7 0
13 a5 0
14 Ne6 0
15 Nh7 0
16 Re8 0
17 Rd8 0