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

Book: ∞ / 0

# move proof disproof
1 Rf8 0
2 a6 0
3 Rd8 0
4 Nf6 0
5 b3 0
6 g4 0
7 Nf8 0
8 Bf8 0
9 Bg7 0
10 Rg8 0
11 a5 0
12 e4 0
13 Na6 0
14 Nc6 0
15 Bb7 0
16 Ke6 0
17 Ke7 0
18 Kd6 0
19 Ke8 0
20 Kd8 0
21 Kc7 0
22 Kc6 0
23 Re8 0
24 Ba6 0