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 Kg8 win in 5 half-moves
3 K6g7 draw
4 K6h7 draw
5 K8g7 draw
6 K8h7 draw
7 Kg6 draw
8 Kh5 draw
9 Ra4 draw
10 Rb4 draw
11 Rc4 draw
12 Rd4 draw
13 Kg5 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves