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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb4 draw
6 Kb7 draw
7 Kbb5 draw
8 Kbc6 draw
9 Kc4 draw
10 Kc7 draw
11 Kcb5 draw
12 Kcc6 draw
13 Rb8 draw
14 Rc8 draw
15 Rh2 draw
16 Rh6 draw
17 Rh7 draw
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves