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

Book: ∞ / 0

# move proof disproof
1 Rb7 0
2 Kg6 0
3 g4 0
4 Ke6 0
5 d5 0
6 d6 0
7 Bh6 0
8 Nh6 0
9 Ra8 0
10 h6 0
11 Ke8 0
12 Nf6 0
13 Bb7 0
14 Bg7 0
15 e6 0
16 h5 0
17 a5 0
18 Kg7 0
19 Rc7 0
20 Kf6 0