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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ka7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kbc7 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kc8 win in 3 half-moves
8 Ra6 win in 3 half-moves
9 Rb7 win in 3 half-moves
10 Rc6 win in 3 half-moves
11 Kc5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kdc7 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Rb1 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