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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 Ra8 draw
4 Rb8 draw
5 Rc8 draw
6 Re8 draw
7 Rh1 draw
8 Rh5 draw
9 Kaa2 loss in 2 half-moves
10 Kaa4 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kab4 loss in 2 half-moves
13 Kba2 loss in 2 half-moves
14 Kba4 loss in 2 half-moves
15 Kbb2 loss in 2 half-moves
16 Kbb4 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves