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 K6a7 draw
3 K6b7 draw
4 K6c7 draw
5 K8a7 draw
6 K8b7 draw
7 K8c7 draw
8 Ka5 draw
9 Ka6 draw
10 Ka8 draw
11 Kb5 draw
12 Kc8 draw
13 Ra3 draw
14 Rb3 draw
15 Rc3 draw
16 Rd1 draw
17 Rd2 draw
18 Rd7 draw
19 Rh3 draw
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves