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

Book: ∞ / 0

# move proof disproof
1 Nb4 0
2 d5 0
3 e5 0
4 e6 0
5 Nc7 0
6 Nc5 0
7 Ke8 0
8 Kc7 0
9 Ra8 0
10 Nh6 0
11 Nf6 0
12 h5 0
13 g5 0
14 f5 0
15 h6 0
16 g6 0
17 f6 0
18 d6 0
19 b5 0
20 b6 0