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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Kc2 draw
5 Kc4 draw
6 Kg6 draw
7 Kg7 draw
8 Kg8 draw
9 Kh6 draw
10 Kh8 draw
11 Ra3 draw
12 Rb4 draw
13 Rb5 draw
14 Kb4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kb2 loss in 1 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves