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

Book: ∞ / 0

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