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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ra7 draw
3 Rb2 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Kh8 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves