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

Book: ∞ / 0

# move proof disproof
1 Ng4 0
2 f5 0
3 a6 0
4 Nf5 0
5 g5 0
6 Rb8 0
7 Kd6 0
8 e5 0
9 Ba6 0
10 Kc6 0
11 Bb7 0
12 Nf7 0
13 Ng8 0
14 Ke6 0
15 Kc7 0
16 a5 0
17 Kd8 0
18 Ke8 0
19 Rg8 0
20 g6 0
21 e6 0