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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 Rg8 0
3 g4 0
4 Bf8 0
5 a5 0
6 Bg7 0
7 Rf8 0
8 Ba6 0
9 Na6 0
10 Re8 0
11 Bb7 0
12 c5 0
13 a6 0
14 Ke6 0
15 Kd6 0
16 Kc7 0
17 Ke7 0
18 Kd8 0
19 Ke8 0