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

Book: ∞ / 0

# move proof disproof
1 Nb8 0
2 h6 0
3 g5 0
4 Ke8 0
5 Kd8 0
6 Kc7 0
7 Ke6 0
8 Kd6 0
9 g6 0
10 e5 0
11 Nc7 0
12 Kc6 0
13 e6 0
14 f5 0
15 h5 0
16 Rb8 0
17 Nc5 0
18 Nh6 0
19 Bb7 0
20 Nb4 0