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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Ka5 win in 5 half-moves
5 Rh5 win in 7 half-moves
6 Ka3 draw
7 Ka4 draw
8 Kb3 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ke8 draw
13 Kf6 draw
14 Kf7 draw
15 Kf8 draw
16 Rd8 draw
17 Rh4 draw
18 Rh6 draw
19 Rh7 draw
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh1 loss in 2 half-moves
29 Rh2 loss in 2 half-moves
30 Rh3 loss in 2 half-moves