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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Rh1 win in 9 half-moves
3 Kf4 win in 11 half-moves
4 Kd4 draw
5 Kd5 draw
6 Ke4 draw
7 Kf5 draw
8 Kg4 draw
9 Kg5 draw
10 Kh4 draw
11 Kh6 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Rb1 draw
16 Rc1 draw
17 Re1 draw
18 Rg1 draw
19 Kd6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves