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

EGTB: win in 2 half-moves

# move score
1 Kf4 win in 1 half-moves
2 Kh4 win in 1 half-moves
3 Rg4 draw
4 Rh1 loss in 10 half-moves
5 Rg3 loss in 8 half-moves
6 Kh5 loss in 6 half-moves
7 Rg2 loss in 6 half-moves
8 Kf5 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Kg4 loss in 1 half-moves
18 Rb1 loss in 1 half-moves