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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb7 win in 11 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc8 draw
8 Kcd7 draw
9 Kcd8 draw
10 Ke8 draw
11 Ked7 draw
12 Ked8 draw
13 Kf6 draw
14 Kf7 draw
15 Kf8 draw
16 Ra5 draw
17 Rb1 draw
18 Rh5 draw
19 Kc6 loss in 2 half-moves
20 Kcd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ked6 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rd5 loss in 2 half-moves
28 Re5 loss in 2 half-moves
29 Rf5 loss in 2 half-moves
30 Rg5 loss in 2 half-moves