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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 c5 0
3 Ke8 0
4 Ke7 0
5 c6 0
6 g4 0
7 Bf8 0
8 Bg7 0
9 Bb7 0
10 Ke6 0
11 Nc6 0
12 Na6 0
13 Re8 0
14 Kd6 0
15 Rg8 0
16 Rf8 0
17 Kd8 0
18 Kc6 0
19 a5 0
20 a6 0
21 Ba6 0