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 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kg7 draw
6 Kh7 draw
7 Ra3 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Rc2 draw
13 Rd2 draw
14 Re2 draw
15 Rf2 draw
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Kg8 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves