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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kd7 draw
8 Kd8 draw
9 Ke8 draw
10 Kf8 draw
11 Ra8 draw
12 Rb2 draw
13 Rb7 draw
14 Rc8 draw
15 Re8 draw
16 Rg8 draw
17 Rh8 draw
18 Kd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves