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

EGTB: win in 6 half-moves

# move score
1 Rh6 win in 5 half-moves
2 Rh7 win in 5 half-moves
3 Rh8 win in 5 half-moves
4 Ra3 draw
5 Rb3 draw
6 Rf3 draw
7 Rh4 draw
8 Rh5 draw
9 Ka6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kab8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kcb6 loss in 2 half-moves
17 Kcb7 loss in 2 half-moves
18 Kcb8 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves