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

Book: ∞ / 0

# move proof disproof
1 c4 0
2 a5 0
3 g5 0
4 Rc8 0
5 Ng6 0
6 Nd7 0
7 Ne6 0
8 g6 0
9 Rh8 0
10 Rd8 0
11 h5 0
12 Nh7 0
13 Re8 0
14 a6 0
15 e6 0
16 e5 0
17 Rb8 0