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 Kc4 draw
3 Kc5 draw
4 Kd3 draw
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Kg7 draw
9 Kg8 draw
10 Kh7 draw
11 Rc5 draw
12 Rd6 draw
13 Rd7 draw
14 Rd8 draw
15 Re5 draw
16 Rf5 draw
17 Rg5 draw
18 Kc3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves