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 Kc4 draw
3 Kd4 draw
4 Ke4 draw
5 Ke5 draw
6 Ra3 draw
7 Rb3 draw
8 Rd3 draw
9 Rf3 draw
10 Rg3 draw
11 Rh1 draw
12 Rh2 draw
13 Rh5 draw
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves