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

EGTB: win in 4 half-moves

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