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

Book: ∞ / 0

# move proof disproof
1 Ra3 0
2 Ra4 0
3 Rb7 0
4 Ke6 0
5 Ra8 0
6 Ra5 0
7 h5 0
8 Ra1 0
9 Ra6 0
10 Ra2 0
11 Rg8 0
12 Bb7 0
13 Nc6 0
14 Na6 0
15 Ke8 0
16 Kd8 0
17 Ke7 0
18 Kc6 0
19 Kd6 0
20 Re8 0
21 c5 0
22 Rf8 0
23 h6 0
24 Ba6 0
25 c6 0
26 Rd8 0