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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Re1 draw
9 Rg1 draw
10 Rh2 draw
11 Rh5 draw
12 Rh6 draw
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves