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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 K6c7 draw
3 K6d7 draw
4 K6e7 draw
5 K8c7 draw
6 K8d7 draw
7 K8e7 draw
8 Kc5 draw
9 Kd5 draw
10 Ke5 draw
11 Ke6 draw
12 Ke8 draw
13 Ra3 draw
14 Rb3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh4 draw
18 Rh6 draw
19 Rh7 draw
20 Rh8 draw
21 Kc6 loss in 2 half-moves
22 Kc8 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves