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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Bf8 0
3 Bb7 0
4 Nc6 0
5 Nf6 0
6 Ba6 0
7 Bg7 0
8 a6 0
9 e6 0
10 Rd8 0
11 Re8 0
12 Rf8 0
13 Na6 0
14 f6 0
15 e5 0
16 Kd6 0
17 a5 0
18 Ke6 0
19 g4 0
20 Ke8 0
21 Kd8 0
22 Kc7 0
23 Kc6 0
24 Nf8 0
25 Rg8 0