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

EGTB: win in 4 half-moves

# move score
1 Kh5 win in 3 half-moves
2 K6g7 draw
3 K6h7 draw
4 K8g7 draw
5 K8h7 draw
6 Ra3 draw
7 Rb3 draw
8 Rf3 draw
9 Rg3 draw
10 Rh1 draw
11 Rh2 draw
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves