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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Rd8 win in 5 half-moves
3 Rc8 win in 7 half-moves
4 Kf7 draw
5 Kg5 draw
6 Kh7 draw
7 Ra8 draw
8 Re8 draw
9 Rf8 draw
10 Rg7 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Rh8 loss in 2 half-moves
24 Kg7 loss in 1 half-moves