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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Kf4 win in 5 half-moves
5 Kf5 win in 5 half-moves
6 Kg7 win in 5 half-moves
7 Kg8 win in 5 half-moves
8 Kf6 win in 7 half-moves
9 Ke4 draw
10 Ke6 draw
11 Kg6 draw
12 Kh6 draw
13 Kh8 draw
14 Rc1 draw
15 Rc7 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 Rc2 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