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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ke7 win in 7 half-moves
3 Kd7 win in 11 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc5 draw
8 Kc7 draw
9 Ke8 draw
10 Kf7 draw
11 Kg7 draw
12 Kg8 draw
13 Ra2 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Rc8 draw
18 Rd8 draw
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Re8 loss in 2 half-moves