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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Ke6 win in 7 half-moves
4 Ka6 draw
5 Kb5 draw
6 Kb6 draw
7 Kc5 draw
8 Kc6 draw
9 Kd6 draw
10 Ke5 draw
11 Ra8 draw
12 Rd8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh3 draw
16 Rh4 draw
17 Rh5 draw
18 Rh7 draw
19 Ka4 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves