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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Kc2 win in 7 half-moves
3 Kd2 win in 7 half-moves
4 Kg1 win in 7 half-moves
5 Kg2 win in 7 half-moves
6 Kb1 draw
7 Kb2 draw
8 Kd1 draw
9 Kh2 draw
10 Ra5 draw
11 Re5 draw
12 Rf5 draw
13 Rg5 draw
14 Rh3 draw
15 Rh4 draw
16 Rh6 draw
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves