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 Rh7 win in 3 half-moves
3 Rh8 win in 3 half-moves
4 Kc5 draw
5 Kd5 draw
6 Ke5 draw
7 Rb3 draw
8 Rc3 draw
9 Rd3 draw
10 Rf3 draw
11 Rh5 draw
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh4 loss in 2 half-moves