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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc3 win in 5 half-moves
3 Kd3 win in 5 half-moves
4 Rb4 win in 5 half-moves
5 Kc5 win in 7 half-moves
6 Kd1 win in 7 half-moves
7 Kd4 win in 7 half-moves
8 Kb3 win in 9 half-moves
9 Kb4 win in 9 half-moves
10 Kb5 win in 9 half-moves
11 Ra1 win in 9 half-moves
12 Kd5 win in 13 half-moves
13 Kb2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves