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

Book: ∞ / 0

# move proof disproof
1 Kc6 0
2 Kd6 0
3 Kc7 0
4 Kd8 0
5 Ke8 0
6 Nc6 0
7 Na6 0
8 a6 0
9 Ke6 0
10 e6 0
11 Bb7 0
12 a5 0
13 e5 0
14 Ba6 0
15 Bg7 0
16 Bh6 0
17 g4 0
18 f5 0
19 Nh6 0