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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Ng8 0
3 c5 0
4 Nf5 0
5 a5 0
6 Bg7 0
7 Ng4 0
8 Ke6 0
9 a6 0
10 c6 0
11 Rc8 0
12 Rd8 0
13 Re8 0
14 Kc6 0
15 Kc8 0
16 Kd8 0
17 Ke8 0
18 e6 0
19 f6 0
20 f5 0
21 Kd6 0