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 Rh6 win in 3 half-moves
3 Kc5 draw
4 Kc6 draw
5 Kd6 draw
6 Ke5 draw
7 Ke6 draw
8 Ra8 draw
9 Rb8 draw
10 Rd8 draw
11 Rh5 draw
12 Rh7 draw
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves