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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc8 win in 3 half-moves
3 Kcc7 win in 3 half-moves
4 Ke8 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Kb5 win in 7 half-moves
7 Kb6 win in 7 half-moves
8 Kb7 win in 7 half-moves
9 Kc5 win in 7 half-moves
10 Kcd7 win in 7 half-moves
11 Kd5 win in 7 half-moves
12 Kd6 win in 7 half-moves
13 Ra8 win in 7 half-moves
14 Rc8 win in 7 half-moves
15 Kdc7 loss in 2 half-moves
16 Kdd7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb7 loss in 2 half-moves