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

EGTB: win in 10 half-moves

# move score
1 Re8 win in 9 half-moves
2 Rd8 draw
3 Rh3 draw
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kcd8 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Ked8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves