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

Book: ∞ / 0

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