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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 g4 0
3 c4 0
4 Rg8 0
5 Bb7 0
6 Kd6 0
7 Nf6 0
8 Ke6 0
9 Bf8 0
10 Nf8 0
11 a6 0
12 e5 0
13 Na6 0
14 Rf8 0
15 Re8 0
16 Rd8 0
17 e6 0
18 Ke8 0
19 Kd8 0
20 Kc7 0
21 Kc6 0
22 Ba6 0
23 f6 0
24 Nc6 0
25 a5 0
26 Bg7 0