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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rh8 win in 5 half-moves
3 Rb8 win in 25 half-moves
4 Kd4 draw
5 Kg6 draw
6 Kh6 draw
7 Ra8 draw
8 Rd6 draw
9 Rf8 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Kc6 loss in 1 half-moves
21 Kd6 loss in 1 half-moves
22 Ke6 loss in 1 half-moves