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 Ra3 draw
3 Rb3 draw
4 Rc3 draw
5 Rd3 draw
6 Rh1 draw
7 Rh2 draw
8 Rh7 draw
9 Rh8 draw
10 K7d7 loss in 2 half-moves
11 K7d8 loss in 2 half-moves
12 K7f7 loss in 2 half-moves
13 K7f8 loss in 2 half-moves
14 K8d7 loss in 2 half-moves
15 K8d8 loss in 2 half-moves
16 K8f7 loss in 2 half-moves
17 K8f8 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves