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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ka1 draw
4 Ka4 draw
5 Kaa2 draw
6 Kab3 draw
7 Kb1 draw
8 Kb4 draw
9 Kba2 draw
10 Kbb3 draw
11 Rb8 draw
12 Rd8 draw
13 Rh1 draw
14 Rh5 draw
15 Rh6 draw
16 Rh7 draw
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves