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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rf8 win in 5 half-moves
3 Ke4 draw
4 Ke6 draw
5 Kf4 draw
6 Kf5 draw
7 Kf6 draw
8 Kg5 draw
9 Kg6 draw
10 Kg7 draw
11 Kh5 draw
12 Kh7 draw
13 Rc2 draw
14 Rc7 draw
15 Rd8 draw
16 Re8 draw
17 Rh8 draw
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves