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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Kd4 draw
3 Kd6 draw
4 Kf4 draw
5 Kf5 draw
6 Kf6 draw
7 Kg4 draw
8 Kg6 draw
9 Kh4 draw
10 Kh5 draw
11 Kh6 draw
12 Rb8 draw
13 Rd7 draw
14 Rg8 draw
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves