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

EGTB: win in 2 half-moves

# move score
1 Kc4 win in 1 half-moves
2 Rb1 win in 7 half-moves
3 Rb8 win in 7 half-moves
4 Rb4 draw
5 Rb7 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd1 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Kb4 loss in 1 half-moves
20 Kd4 loss in 1 half-moves