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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kc1 win in 5 half-moves
4 Kde1 draw
5 Kde2 draw
6 Kfe1 draw
7 Kfe2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra7 draw
14 Re8 draw
15 Rh8 draw
16 Kc2 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves