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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 c5 0
3 Rg8 0
4 Nc6 0
5 Rf8 0
6 Bg7 0
7 e5 0
8 e6 0
9 Kc6 0
10 Kd6 0
11 Kd8 0
12 Ke8 0
13 Re8 0
14 Rd8 0
15 c6 0
16 Ba6 0
17 Bb7 0
18 Bf8 0
19 g4 0
20 Nf8 0
21 Na6 0
22 Nf6 0
23 Ke6 0