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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke6 draw
6 Ke7 draw
7 Ke8 draw
8 Kf6 draw
9 Kf8 draw
10 Kg6 draw
11 Kg7 draw
12 Kg8 draw
13 Ra5 draw
14 Rb3 draw
15 Rb4 draw
16 Rb6 draw
17 Rb7 draw
18 Rh5 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rg5 loss in 2 half-moves