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 K1e2 draw
3 K1f2 draw
4 K1g2 draw
5 K3e2 draw
6 K3f2 draw
7 K3g2 draw
8 Ke1 draw
9 Ke3 draw
10 Kg1 draw
11 Kg3 draw
12 Ra6 draw
13 Rb6 draw
14 Rc6 draw
15 Rd6 draw
16 Rh1 draw
17 Rh2 draw
18 Rh3 draw
19 Rh5 draw
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves