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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 g5 0
3 h5 0
4 Ra8 0
5 Rg8 0
6 Re8 0
7 Rd8 0
8 Ng8 0
9 h6 0
10 g6 0
11 Bb7 0
12 Nc6 0
13 d6 0
14 Nd5 0
15 e5 0
16 Nf5 0
17 Ng6 0
18 Rf8 0
19 Rc7 0
20 Rb7 0