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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Ng4 0
3 Nf7 0
4 Nf5 0
5 d6 0
6 e6 0
7 Rg8 0
8 Rh7 0
9 a6 0
10 g6 0
11 Bb7 0
12 Nb3 0
13 Nc2 0
14 Ba6 0
15 a5 0
16 e5 0
17 Ng8 0
18 g5 0
19 Rb8 0