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

EGTB: win in 2 half-moves

# move score
1 Kh5 win in 1 half-moves
2 Kh6 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Kh4 draw
6 Rh4 draw
7 Kf5 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb4 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 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Kf6 loss in 1 half-moves
21 Rf6 loss in 1 half-moves