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 Kg1 win in 5 half-moves
3 Kg2 win in 5 half-moves
4 Ke1 draw
5 Kf2 draw
6 Ra4 draw
7 Rb4 draw
8 Rh1 draw
9 Rh3 draw
10 Rh5 draw
11 Ke2 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves